(42) 42 product ratings - Crucial 2GB PC2-6400 DDR2 800 DIMM Desktop Memory For Dell OptiPlex 740 745 755. It is interesting that you’re only seeing 7. Dell OptiPlex 7000 7010 Desktop Computer - Intel Core i5 13th Gen i5-13500 Tetradeca-core (14 Core) 2. Buy system specific Dell OptiPlex 755 DT/MT/SFF Desktop Memory/RAM and SSD upgrades from KingstonMemoryShop. SAVE. Then we started Windows, only 256MBs of Ram out of the 8GBs was available (the OS told us). - no new coolers are needed. Compare. Shop Amazon for A-Tech 4GB (4X 1GB) Memory RAM Kit for Dell OptiPlex 960, 760, 755, 745, 740 (MT, DT, SFF) - DDR2 800MHz PC2-6400 Non-ECC DIMM Modules and find millions of items, delivered faster than ever. Search Newegg. Sep 20, 2011. 000000] BIOS-provided physical RAM map: [ 0. 1 with 8GB. . 4GB Kit 2 X 2GB DDR2 Memory for Dell Optiplex 755 760 GX280 Ultra Small Form Factor Desktop PC2-6400 240 pin 800MHz Non-ECC DIMM RAM (MemoryMasters) $22. 50. ram can upgrade to 4x2 gb ddr2. 50 $ 13. DELL COMPUTER OPTIPLEX 755 2. $45. Primary hard disk 154GB Free (279GB Total) 5. Backed by a lifetime warranty Kingston. OptiPlex Micro All-in-One VESA Mount for E-Series MonitorsSymptoms. #3. 1600MHz (DDR3 Non ECC) and: Note: DDR3 and DDR3L. 0Gb/s • 540 MB/s Read, 500 MB/s Write. Only 1 left! Dell OptiPlex 755 SFF Desktop PC C2D 4GB DDR2 160GB HD DVD-ROM - NO OS. If an item exceeds storage capacity. 0 Ports: 6: Processor Speed: 2. have a Dell Optiplex 755 MT that was purchased as a barebones w/o a processor, memory or hd. As far as the the CPU goes, the C2Q Q6700 is compatible with your SFF. 94. 0. SHOW ALL PARTS. It's an Optiplex 755 SFF with windows 10 64bit, so I'm going with 8GB ram (2 x 4), an SSD in place of the old HDD. 5. Add to cart. $19. I added 250 gb hard drive 2gb memory and a E8400 Dual Core processor. $19. I don't see any notes of Opti 755 having issues with R0. Know that the 780 is ten years old. Memória no Optiplex 755. This is wrong for this system and other Optiplex/Dimension systems etc. Below memory compatibility will be DDR3 unless stated otherwise. 0, Microphone Jack , Parallel Ports, Headphone Jack: Number of USB 2. 0Ghz. $109. We don't know when or if this item will be back in stock. If you put 2 sticks 800MHz in your 745, then a stick with 667MHz, the system will operate all the RAM at 667MHz. JSM Computers StoreVisit Store. Hello everyone, I would like to give a last upgrade to my old Optiplex 755 buying 8 Gbyte of. -Dell OptiPlex 755 Desktop with a fast Intel Core 2 Duo 2. If the 755's PSU is genuine, it should be at end of service. 2-GHz Intel Core 2 Duo E4500 processor and 2GB of RAM, which is more than powerful enough for a business desktop. Aug 28, 2018. old, A-Tech RAM is on eBay and Walmart. Compare. OptiPlex. Dell Optiplex Memory RAM Upgrade install is the easiest and economical way to make this Dell Optiplex 780 Mini-tower computer super fast. However, I imagine many users have since exceeded it. Get the best deals on PC2-5300 DDR2-667 4 GB DIMM Computer Memory (RAM) and find everything you'll need to improve your home office setup at eBay. ) Depth 292. Add to cart. I have a Dell Optiplex 755: 4GB of RAM Intel Pentium Dual CPU E2180 @ 2. $4. Dell OptiPlex 755, like many other OptiPlex in this era, uses BTX standard (Inverted ATX), so no ATX and ITX family motherboards (even Micro ATX or Mini ITX) will FIT! Max RAM is 8GB (4x2GB). The My Computer properties show 3. Works in ALL 755 models. 99. 18 product ratings - Corsair PC-3200 (DDR-400) 1 GB DIMM 400 MHz PC-3200 DDR Memory (VS1GB400C3) 1066mhz. I recently acquired a used Dell Optiplex 755 with 4 GB of Kingston memory (KVR800D2N5K2). The NVMe (Non-Volatile Memory) protocol has been designed for solid state drives and uses the PCIe bus for. This will up your preformance. Run Hard Drive Diagnostics. Buy system specific Dell OptiPlex 755 Small Form Factor [SFF] Desktop Memory/RAM and SSD/Hard Drive upgrades from MemoryCow. This takes you to the Boot Once menu. Jonny HS. Try this with each stick individually. 11 Posts. The specs for Optiplex 755 Desktop comes in these configurations with a retail price tag. Fast & Free shipping on many items!pretty simple way to make a fast computer even faster. Refurbished Dell Optiplex 755 Desktop - 2. The 755 will run windows 10 and will work with 8 gigs of ram. 4GHz Memory: 4096MB RAM Available OS Memory: 3956MB RAM Page File: 1973MB used, 3070MB available Windows Dir: C:Windows DirectX Version: DirectX 11 DX Setup. com FREE DELIVERY possible on. But your money would be better spent on a newer model that supports current ram and hardware as well as coming with windows 10. Dell. Graphics. Get it by Mon, Nov. OptiPlex 160L. CMS 2GB (1X2GB) DDR2 5300 667MHZ Non ECC DIMM Memory Ram Upgrade Compatible with Dell® Optiplex 210L 320 330 740 745 755 Memory Ram Upgrade - A89. 22-04-2013 09:00 AM. New Listing Desktop computer Dell Optiplex 755 Core 2 DuoE7200 4GB RAM 250GB Windows 7 64bit. I really only want play Minecraft, WoW, LoLm and TF2. Can anybody recommend me a motherboard to fit in a Dell OptiPlex 755 small form factor? The current motherboard can only support 800MHz DDR2 ram. in the task menu, it is showing 100% disc. Try connecting another PSU for testing. Cleaning slots does not make non compatible ram suddenly compatible. 5-inch internal SSD • SATA 6. I recently purchased a new Dell Optiplex 755 with an E6750 2. 24,960. DELL™ OPTIPLEX™ 755 1 Up to 256MB of system memory may be allocated to support integrated graphics, depending on system. 21-09-2018 15:00 PM. 50. Batteries & Power. Desktop/Workstation RAM upgrade » OptiPlex 755 by Dell. normally on a OptiPlex 755 (and you need to confirm this by looking inside the case) the system has 4 slots for ram, ands 8GB is the highest in 99% of cases for 775 CPUs' thus DDR-800/667 being the two possible speeds used on the said motherboard. Data Security and Recovery with RAID 1 support ensures real time redundancy for data - helping to keep your business. Whether you are looking to configure your OptiPlex 755 yourself or upgrade it, equipping a device with sufficient RAM is one quick and easy way to ensure smoother and more. Should be 16 gb max source :more info here. Visit the Amazon Renewed Store. This made me think that there may be something with the way the BIOS handles the RAM mapping. Shop today for your everyday business needs. There are many options for me,a ATI RADEON HD5450/6350 ATI HD3450 AND ATI 2400 XT PRO And I dont. All memory modules are engineered to perform in even the most extreme environments and rigorously working to ensure that each module meets our stringent performance. View PDF. All-in-One - OptiPlex Desktop Computers - OptiPlex desktops & all-in-ones offer space-saving features, advanced security. Free postage. $54. com for dell optiplex 755 ram type. The biggest issue with Dell memory is the need for low density memory. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 755 Series (Desktop Mini-Tower and Small Form Factor) - FREE US Delivery. Free shipping! | Black Friday deals start now! search; United States. 1. The only way I know to fix it if you want to pursue it is to return the RAM you just bought. OptiPlex 755 User's Guide - iAMT Publish date: 20 APR 2008. #1 · Oct 19, 2008. 00. It was released in mid 2007. 83GHz Yorkfield Quad Core Q9550 12MB, 1333FSB, E0. 8GHz Intel Celeron 430 n/a Serial ATA RAID, Ultra ATA/100 PCI/PCI Express 16x 80. So I obtained a Dell Optiplex 755 sff and decided to turn it into a server, I ordered a Xeon x5460 and 8gb of DDR2, The CPU and RAM arrived today, Installed the RAM with the old CPU it worked fine, installed the Xeon and it won't boot, I searched for a second on the internet and found out that 5 series xeons don't work in this board with its default bios,. Crucial Part Number: CT751693. The Dell OptiPlex 755 gives you advanced security options to help keep your data secure real-time. 43 shipping. The Optiplex 755 if you have the latest BIOS from Dell supports E0 stepping CPUs. Data Security and Recovery with RAID 1 support ensures real time redundancy for data - helping to keep your business. PC2-6400 would be preferable if you are using the IGP. 60 mm (3. For 4GB, the best option is a 2x2GB matched pair, but the Mobo may not except 2GB RAM sticks. I'm wondering which ddr 2 companies' RAM work well with my computer, if someone has the same computer it would be great to hear. And using my flat screen as the monitor threw the RGB cable. Solved! Go to Solution. Optiplex 755 Memory question . GeForce GT 1030 2 GB GDDR5 Low Profile – For Dell OptiPlex Small Form Factor (SFF) models you can use this low profile 30 Watt dedicated graphics card. 00GHZ DUAL CORE DTP 80GB 2048MB. Processor Type:Dell Optiplex 745. View PDF. and I want to upgrade my RAM in case of use optimally FSB (MHz). I have a refurbished Optiplex 755, Windows 7 pro 32 bit, 2GB RAM. I have two Optiplex 755 SFF running VMware ESX 4. Dell Optiplex 755 Tower - 400GB HDD, 4GB Ram, DVD-Rom, 17in LCD Monitor, Windows XP Professional (Renewed) DELL OptiPlex, Intel Core 2 Duo 2. 0Gb/s • 540 MB/s Read, 500 MB/s Write. The Dell OptiPlex 755's 2GB of memory and dual-core E4500 processor helped it on the SYSmark 2007 Preview benchmark tests. None / 128 MB / 256 MB DDR2 / 256 MB DDR2. Even my 755 (8GB RAM) had no trouble instantaneously handling HD video. BTW, some will tell you the page file will wear your drive faster, technically correct, practically irrelevant. 21-09-2018 15:00 PM. it can be the difference between DDR2-667, and DDR2-800. Fast & Free shipping on many items!. $14. Get the best deals on DIMM Computer Memory (RAM) 4 MB Total Capacity and find everything you'll need to improve your home office setup at eBay. 99. Was: EUR 14. Even my 755 (8GB RAM) had no trouble instantaneously handling HD video. Dell recommends a maximum of 50W PCIe power draw for the SFF models. 30,340. Dell OptiPlex computers have a long history of integrated diagnostic indicators that provide important insight when a computer fails the Power On Self-Test ( POST). FREE delivery Fri, Sep 1 . [quotemsg=12291034,0,1530605]I have the largest optiplex 755 and I am about to install a new motherboard with a new processor and RAM. Memory Type: DDR2 PC2-8500, DDR2 PC2-6400, DDR2 PC2-5300, DDR2 (non-ECC) Maximum Memory: 8GB. Beyond just RAID support, the system offers proactive security features from vPro, and advanced remote management capabilities. G. 5 gigs ram and in the Dimension E510 you get 3. 2GB, 240-pin DIMM, DDR2 PC2-8500 memory module. I know the Ram upgraded i need but im stumped on what kinda graphics card to get. Dell. So you can get more done around the office without having to run around - and you have more time for projects that can help an enterprise work. the manufactured ram clock speed is 800 mhz but it is running at 398 mhz can i make it run nearly 800 mhz through anyway. Can anybody clearify this Statement from the product brief: "Delivers up to 12. USB, Ethernet, serial, parallel, VGA ports. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 755. 3. Currently installed with 4 GB (2 x 2GB modules). RAM 4 GB DIMM DDR : Disco Duro 250 GB HDD 7200 rpm : Coprocesador de gráficos Intel GMA 3100 : Marca Chipset intel : Descripción de la tarjeta. The Q9650 has 4 cores versus the E8600's 2-- as well, it has twice the cache (12MB vs 6MB), both fit the LGA775 socket, and the Q9560 can be overclocked. or Best Offer. 1GB Dell Optiplex 755 GX520 GX620 Memory DDR2 PC2-5300 667MHz RAM DIMM . Hi cutlassvillager1, The differences are fairly minor. The memory was twice replaced using new Dell. 99. OptiPlex 3080 Tower. Brand New. $159. 95. 33ghz, 4MB Cache L2, 1333MHz FSB, VPro, VT) - Native Operating System: Windows Vista. I have had an impossibly slow pc for a couple months now. linux_laptop (48) 100%. Re: I was really suffering from my old 755 performance, despite it has a 2. com. Get the best deals on Kingston SO-DIMM DDR4 SDRAM Memory (RAM) and find everything you'll need to improve your home office setup at eBay. (2) Refurbished Dell Optiplex 755 USFF Core 2 Duo 80gb HD 2gb ram All-In-One with 20" LCD Windows 7 Professional. responsiveness and support of 64-bit computing"The Dell OptiPlex 755 gives you advanced security options to help keep your data secure real-time. OptiPlex 3090 Tower. Free postage. I ordered and installed an additional Dell-branded 2GB memory (1 x 2GB, non-ECC, 800MHz, DDR2 SDRAM). 5gb of ram Intel core 2 quad processor AMD R7 250 2GB graphics card and went to add another gb of ram correct size same brand and it seemed to fit but I got a buzzing sound when I went to turn it on tried removing it and adding it again same issueRemember, chances are mixed RAM won't work in a 780. Dell 0UW729 2GB PC2-4200F 533M 2Rx4 ECC Server Dimm 4z. Unless you bought it already, I suggest A-Tech RAM. Solved; Is it safe to change PSU in Dell Optiplex 755? snowducksnowduck; May 1, 2018; Components; Replies 2 Views 750. Search Newegg. F886J 2. 0. Dell Optiplex 755 Tower - 400GB HDD, 4GB Ram, DVD-Rom, 17in LCD Monitor, Windows XP Professional (Renewed) 4. Shop products from small business brands sold in Amazon’s store. Feb 16, 2012 #1 Hey guys, I'm looking for some recommendations for my 755 SFF motherboard. The Optiplex 755 if you have the latest BIOS from Dell supports E0 stepping CPUs. OptiPlex Desktop Computers - OptiPlex desktops & all-in-ones offer space-saving features, advanced security. Was: $49. Customize. make sure you use thermal paste for the installation. 000000] BIOS-e820:. also PCIe can be updated from 2. Resolution. S. which means it is a Dell Optiplex 755, with a 2. 30-01-2017 04:00 AM. I replaced it with 8 GB of Kingston memory (KVR800D2N6). At the technical guide (thank's for link to SpeedStep) I didn't find any information about supported max bus clock (MHz) of RAM. Dell OptiPlex 755 DDR2 400Mhz 1GB PC2-3200U Non-ECC RAM Memory Stick - MT16HTF12864AY-40EA1: $54. When I booted up I got a message "unsupported memory configuration. Dell OptiPlex 755 SFF Core 2 Duo 4GB RAM 500GB HDD Windows XP Pro SP3 32bit. display Full HD (1920X1080) Compare. Tap rapidly on the F12 key when the Dell logo appears during startup. View PDF. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 755 Series (Desktop Mini-Tower and Small Form Factor) - FREE US Delivery. Podrá encontrar mas información referente a la memoria RAM del equipo OptiPlex 755 en las páginas 81 y 105 del siguiente manual en línea: Guía del usuario de Dell OptiPlex 755. Dell Optiplex 755 Intel® Q35 Express Chipset (ICH9DO) Intel Core 2 Duo E4500 Processor (2. 0GHz Intel Core 2 Duo Processor - 2GB Memory - Windows 7 Professional. I've taken a humble Optiplex 755 Desktop chassis, upgraded the RAM to 4gb, upgraded the HD to a 60gb OCZ Vertex 2E Solid State Drive, added a PCI-E full-height riser, and upgraded the graphics card to the maximum possible that would fit into the case. Dell Optiplex 755 Memory; Dell Optiplex 760 Memory; Dell Optiplex 780 Memory; Dell Optiplex Gx520 Memory; Dell Optiplex Gx620 Memory; Dell Studio. I understand Windows XP cannot utilize the full 4 gigs of RAM which is fine with me. $26. Drive activity light . Here is the situation: Optiplex 755 with Core 2 Duo E8400 CPU, Processor ID 10676. #5. The characteristics of my PC are: - 240 GB SSD Hard Drive - 4GB DDR2 800 RPM RAM - Intel Core 2 Duo E6550 processor (2. Apple M1, 8GB RAM, 256GB, macOS Ventura, Logitech G305 K/DA, Logitech MX Keys, ViewSonic VX2478 Consoles: Softmodded 1. 3429. Or fastest delivery Jan 6 - 11. My Optiplex is the biggest tower. Free shipping! | Black Friday deals start now! search; United States. Pulse <Ctrl -3!SDUDHQWUDUHQODFRQILJXUDFLyQGH0(%[HVFULELUODFRQWUDVHxD 2. 2. if your looking at one of these i would reccomend them because they blend into everyday use and tasks. 0. (easiest. I have just bought a very similar, used Optiplex 755 DT on eBay with a similar CPU. Description. Free shipping! | Black Friday deals start now! search; United States. 15. View PDF. Refurbished OptiPlex 755 Desktop - Intel Core 2 Duo - 4GB Memory - 320GB Hard Drive. It features a standard tower design and is intended for use in business environments. 66GHz, either 2GB or 4GB of DDR2 RAM, and 250GB storage capacity. Get the best deals on Dell Optiplex 755 Motherboard and find everything you'll need to improve your home office setup at eBay. I have a Dell Optiplex 755 (SFF), and i want to buy a graphic card. I'm impressed by the capabilities of the 755, as we have a fleet of 20 of them at work, along with GX620/745 systems. Both the 755 and 760 run the same processors. OptiPlex 170Ln. The OptiPlex 755 supports the Intel Core 2 Quad, Intel Core2 Duo, Intel Pentium dual-core, Intel Celeron processors based on Intel's 775-pin (LGA775) socket. Memory Type: DDR2 PC2-8500, (non-ECC) Maximum Memory: 8GB Slots: 4. The systems typically contain Intel CPUs, beginning with Celeron and Pentium and currently with the Core microarchitecture. Dell Optiplex 755 Memory; Dell Optiplex 760 Memory; Dell Optiplex 780 Memory; Dell Optiplex Gx520 Memory; Dell Optiplex Gx620 Memory;. Low Cost Delivery Low Prices 100% Safe & Secure 22-04-2013 09:00 AM. Whether you are looking to configure your OptiPlex 755 yourself or upgrade it, equipping a device with sufficient RAM is one quick and easy way to ensure smoother and more efficient operations. Intel® CoreTM 2 Duo 1066MHz FSB Socket T with Dual Core technology XD, EM64T, 2MB and up to 4MB L2 cache, EIST and VT (E6000 series) integrated Intel® Graphics Media Accelerator 3000 (no "x" in the title as in "x3000" this is just "3000") Dell Optiplex 755. The computer slows down often and I assume it is because of memory issues and I could be wrong. 3 4. She has asked me to see if it needs any updates or improvements. Dell Optiplex 755 Desktop Core 2 Duo E6550 4GB RAM 1TB HDD Windows XP Pro 32Bit. Optiplex 755 を利用しています。 先日、BIOS を、A8 から、A22 へ更新したのですが、A8 の時には出なかったメモリのエラー (Unsupported memory. 1GHz quad-core processor 16GB memory - For multitasking power, supports up to 16GB 2TB SATA hard drive has plenty of space to store your digital albums, music library and rich media files Enhanced viewing with the integrated Intel HD 2000 graphics DVD-ROM drive - watch. 66GHz, 8MB L2 cache, 1066MHz FSB, VT) 8GB of DDR2-800 (PC6400) non-ECC memory Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 755 Series (Desktop Mini-Tower and Small Form Factor) - FREE US Delivery. 62. Small Business. OptiPlex 755 desktop pdf manual download. Arctic MX4 is good enough for Q6600 application. I also specified 2 GB of PC2-6400 800Mhz of DDR2 memory as part of the original configuration that was supplied by Dell. ram can upgrade to 4x2 gb ddr2. Dell Optiplex 755 SFF Intel Pentium Dual E2160 1. If a 256 GB SSD limit seems strange as it's not "250 GB," that's straight from the spec. Dell Optiplex 755 Memory; Dell Optiplex 760 Memory; Dell Optiplex 780 Memory; Dell Optiplex Gx520 Memory; Dell Optiplex Gx620 Memory; Dell Studio. gpu can safely upgrade to low profile TDP max 25W. 2 PCI Express NVMe SSD - Small Form Factor - Black. Tengo un Dell Optiplex 755 con varios problemas entre los que están el que no me reconoce 2 slots DDR, al apagar no se termina de apagar, se queda encendido, y al enchufar tengo que darle rápidamen. OptiPlex 170L. Dell Optiplex 755 specs, deals, and users reviews. I have an optiplex 755, a couple weeks ago the PC wouldnt boot. or Best Offer. The biggest issue with Dell memory is the need for low density memory. NA / NA / NA / NA. FRONT VIEW 1 . Also I should add that my motherboard has 2 slot's where the graphics card should go. It's on the list here. Dell OptiPlex 755 Replacement In Stock Parts List . OptiPlex form factors. EDIT: Screengrabs below will show 1,600MHz RAM, which is what came up on the Crucial site for the 780. If a 256 GB SSD limit seems strange as it's not "250 GB," that's straight from the spec. System Model: OptiPlex 755 BIOS: Phoenix ROM BIOS PLUS Version 1. Publish date: 20 APR 2008. Enter model or choose from the list below. william p. More results. I also specified 2 GB of PC2-6400 800Mhz of DDR2 memory as part of the original configuration that was supplied by Dell. (example: DDR3L) DDR3 is not backward-compatible with DDR2. Most dell computers have code in the bios firmware that checks on the memory brand, and sets a flag, if non crucial memory is detected. Low Cost Delivery Low Prices 100% Safe & SecureDell OptiPlex 755 User's Guide Publish date: 20 APR. Get the best deals on ADATA 4 GB SO-DIMM Computer Memory (RAM) and find everything you'll need to improve your home office setup at eBay. MP627 2. Hello everybody, today i need help with a problem that i have with my old dell optiplex 755. 0GHz Processor -4gb of ram (great amount that allows multiple applications to run simultaneously) -160gb Hard Drive (more than enough storage space for the typical user) -DVDrom (watch DVD movies, Important information. Make sure your mother board can support the specific gen and model of cpu you find. Options:160 GB HDD Hard Drive Windows with XP Pro SP2 or. 1GB x 1 ddr2 DESKTOP MEMORY PC RAM DELL OPTIPLEX 960d gx280 gx280n gx520 gx620. Dell Optiplex 755 Memory; Dell Optiplex 760 Memory; Dell Optiplex 780 Memory; Dell Optiplex Gx520 Memory; Dell Optiplex. minimum speed is 333 mhz and that system ram is shared with INTEL Graphics. A empresa acaba de adquirir dois Optiplex 755 Core 2 Quad com 4 Giga de Ram e HD 150 Giga Raid 1, porém esta sendo disponibilizada para. 2008. Yes, it can take 16GB RAM. $170. Scott_130; Feb 27, 2018; Windows 7; Replies 6 Views 2K. Fast & Free shipping on many items!. - With Macrium reflect clone. Options:160 GB HDD Hard Drive Windows with XP Pro SP2 or Vista Business. 1 with 8GB. 86 sold. #2. Y255C DELL Optiplex 755 Motherboard Desktop. The powerful Intel dual-core processor and abundant amount of. The reason that I ask is that I have an Optiplex 755 and under the video card it says 0 MB in dedicated memory but 256 shared. exe. 0 out of 5 stars 1 rating. United States; United. DELL™ OPTIPLEX™ 755 1 Up to 256MB of system memory may be allocated to support integrated graphics, depending on system memory size and other factors. 775 DDR2 OptiPlex 755 DELL 0DR845 s. Motherboard: Foxconn LS-36. 25-01-2019 18:00 PM. Should be 16 gb max source :more info here. Find low everyday prices and buy online for delivery or in-store pick-up. Free postage. 5 MHz (3:5) CAS# latency (CL) 5. Learn how to set up your Dell OptiPlex 755 desktop computer with this comprehensive guide. Or fastest delivery Nov 7 - 8 . £20.