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Kingston 4GB DDR3 1600 (PC3 12800) Unbuffered System Specific Memory Model KCP316NS8/4
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Kingston 4GB DDR3 1600 (PC3 12800) Unbuffered System Specific Memory Model KCP316NS8/4
  • Voltage: 1.50V
  • CAS Latency: CL11
  • Type: 240-Pin DDR3 SDRAM
  • Model #: KCP316NS8/4
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  • $38.15 –
A-Tech 8GB RAM for Apple MacBook Pro (Mid 2010), MacBook (Mid 2010), iMac (Late 2009), Mac mini (Mid 2010) | DDR3 1066MHz PC3-8500 SODIMM 204-Pin Memory Upgrade
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  • $24.10 –
4GB RAM for Apple MacBook Pro (Late 2008, Early/Mid 2009, Mid 2010), MacBook (Late 2008/2009, Mid 2010), iMac (2009), Mac mini (Early/Late 2009, Mid 2010) | DDR3 1066MHz PC3-8500 SODIMM Memory Upgrade
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  • $19.36 –
  • Free Shipping
A-Tech 4GB RAM for Apple MacBook Pro (Early/Late 2011), iMac (Mid 2010, Mid/Late 2011), Mac mini (Mid 2011) | DDR3 1333MHz PC3-10600 SODIMM 204-Pin Memory Upgrade
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  • $17.74 –
  • Free Shipping
NEMIX RAM 128GB (4X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN ECC Unbuffered UDIMM KIT Compatible with Lenovo ThinkSystem ST50 V2 Tower Server
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NEMIX RAM 128GB (4X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN ECC Unbuffered UDIMM KIT Compatible with Lenovo ThinkSystem ST50 V2 Tower Server
  • Brand: NEMIX RAM
  • Series: Lenovo Server/Workstation Compatible Series Memory
  • Capacity: 128GB (4 x 32GB)
  • Speed: DDR5 4800 (PC5 38400)
  • Model #: ME38400-328K4-ST50V2T
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  • $3,756.99 –
NEMIX RAM 128GB (4X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with HP Z8 G5 HP Z8 Fury G5 Workstation Desktop PC
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NEMIX RAM 128GB (4X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with HP Z8 G5 HP Z8 Fury G5 Workstation Desktop PC
  • Brand: NEMIX RAM
  • Series: HPE Server/Workstation Compatible Series Memory
  • Capacity: 128GB (4 x 32GB)
  • Speed: DDR5 4800 (PC5 38400)
  • Model #: MR38400-328K4-HPG8Z5
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  • $5,422.99 –
NEMIX RAM 128GB (2X64GB) DDR5 5600MHZ PC5-44800 2Rx4 1.1V CL46 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with ASRock WRX90 WS EVO Motherboard
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NEMIX RAM 128GB (2X64GB) DDR5 5600MHZ PC5-44800 2Rx4 1.1V CL46 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with ASRock WRX90 WS EVO Motherboard
  • Brand: NEMIX RAM
  • Series: ASRock Server Motherboard Compatible Series Memory
  • Capacity: 128GB (2 x 64GB)
  • Speed: DDR5 5600 (PC5 44800)
  • Model #: MR44800-924K2-WRX90-WS-EVO
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  • $5,899.99 –
A-Tech 128GB Kit (4x32GB) RAM for Apple Mac Pro (2019, 12-Core/16-Core/24-Core/28-Core, Rack & Tower) | DDR4 2933MHz PC4-23400 ECC RDIMM 288-Pin Memory Upgrade
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  • $1,261.88 –
Kingston 16GB 240-Pin DDR3 SDRAM DDR3 1600 ECC Registered System Specific Memory Model KTH-PL316/16G
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Kingston 16GB 240-Pin DDR3 SDRAM DDR3 1600 ECC Registered System Specific Memory Model KTH-PL316/16G
  • Voltage: 1.50V
  • Compatible System: HP/Compaq
  • Type: 240-Pin DDR3 SDRAM
  • Rank: 2Rx4
  • Model #: KTH-PL316/16G
NEMIX RAM 128GB (2X64GB) DDR5 5600MHZ PC5-44800 2Rx4 1.1V CL46 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with Lenovo ThinkSystem SR780a V3 Rack Server
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NEMIX RAM 128GB (2X64GB) DDR5 5600MHZ PC5-44800 2Rx4 1.1V CL46 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with Lenovo ThinkSystem SR780a V3 Rack Server
  • Brand: NEMIX RAM
  • Series: Lenovo Server/Workstation Compatible Series Memory
  • Capacity: 128GB (2 x 64GB)
  • Speed: DDR5 5600 (PC5 44800)
  • Model #: MR44800-924K2-SR780AV3
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  • $5,899.99 –
NEMIX RAM 128GB (1X128GB) DDR5 5600MHZ PC5-44800 4Rx4 1.1V CL46 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with SuperMicro MEM-DR512L-HL01-ER56
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NEMIX RAM 128GB (1X128GB) DDR5 5600MHZ PC5-44800 4Rx4 1.1V CL46 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with SuperMicro MEM-DR512L-HL01-ER56
  • Brand: NEMIX RAM
  • Series: SuperMicro Server/Workstation Compatible Series Memory
  • Capacity: 128GB
  • Speed: DDR5 5600 (PC5 44800)
  • Model #: MR44800-744K1-MEM-DR512L-HL01-ER56
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  • $6,492.99 –
Kingston 32GB 288-Pin DDR4 SDRAM DDR4 2133 (PC4 17000) ECC Registered Major Brand Chipset System Specific Memory Model KTH-PL421/32G
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Kingston 32GB 288-Pin DDR4 SDRAM DDR4 2133 (PC4 17000) ECC Registered Major Brand Chipset System Specific Memory Model KTH-PL421/32G
  • Voltage: 1.20V
  • Compatible System: HP/Compaq
  • Type: 288-Pin DDR4 SDRAM
  • Rank: 2Rx4
  • Model #: KTH-PL421/32G
SAMSUNG 4GB DDR3 1333 ECC Unbuffered Server Memory Model M391B5273CH0-CH9
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SAMSUNG 4GB DDR3 1333 ECC Unbuffered Server Memory Model M391B5273CH0-CH9
  • Voltage: 1.50V
  • CAS Latency: CL9
  • Type: 240-Pin DDR3 SDRAM
  • Model #: M391B5273CH0-CH9
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  • $42.16 –
HP 16GB 240-Pin DDR3 SDRAM DDR3 1066 (PC3 8500) Registered System Specific Memory Model 500666-B21
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HP
HP 16GB 240-Pin DDR3 SDRAM DDR3 1066 (PC3 8500) Registered System Specific Memory Model 500666-B21
  • Compatible System: HP/Compaq
  • Type: 240-Pin DDR3 SDRAM
  • Parts: Lifetime limited
  • Labor: Lifetime limited
  • Model #: 500666-B21
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  • $49.25 –
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Kingston 8GB DDR3 1333 ECC Registered Server Memory Model KVR1333D3D4R9S/8G
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Kingston 8GB DDR3 1333 ECC Registered Server Memory Model KVR1333D3D4R9S/8G
  • Voltage: 1.50V
  • CAS Latency: CL9
  • Type: 240-Pin DDR3 SDRAM
  • Parts: Lifetime limited
  • Model #: KVR1333D3D4R9S/8G
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  • $29.99 –
  • Free Shipping
NEMIX RAM 192GB (4X48GB) DDR5 5600MHZ PC5-44800 2Rx8 1.1V CL46 288-PIN ECC Unbuffered UDIMM KIT Compatible with ASUS ROG-STRIX-B650-A Gaming WiFi Motherboard
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NEMIX RAM 192GB (4X48GB) DDR5 5600MHZ PC5-44800 2Rx8 1.1V CL46 288-PIN ECC Unbuffered UDIMM KIT Compatible with ASUS ROG-STRIX-B650-A Gaming WiFi Motherboard
  • Brand: NEMIX RAM
  • Series: ASUS Gaming Motherboard Compatible Series Memory
  • Capacity: 192GB (4 x 48GB)
  • Speed: DDR5 5600 (PC5 44800)
  • Model #: ME44800-4828K4-ASUS ROG STRIX B650-A
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  • $5,996.99 –
Kingston ValueRAM 1GB DDR 400 (PC 3200) Unbuffered Desktop Memory Model KVR400X64C3A/1G
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Kingston ValueRAM 1GB DDR 400 (PC 3200) Unbuffered Desktop Memory Model KVR400X64C3A/1G
  • Voltage: 2.60V
  • CAS Latency: CL3
  • Timing: 3-3-3
  • Type: 184-Pin DDR SDRAM
  • Model #: KVR400X64C3A/1G
  • $41.51
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  • $29.99 –
  • Save: 27%
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Kingston 512MB 184-Pin DDR SDRAM DDR 266 (PC 2100) Unbuffered System Specific Memory for HP/Compaq Model KTC-PR266/512
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Kingston 512MB 184-Pin DDR SDRAM DDR 266 (PC 2100) Unbuffered System Specific Memory for HP/Compaq Model KTC-PR266/512
  • Compatible System: HP/Compaq
  • Type: 184-Pin DDR SDRAM
  • Parts: Lifetime limited
  • Labor: Lifetime limited
  • Model #: KTC-PR266/512
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  • $22.99 –
  • Free Shipping
Kingston 16GB (1 x 16GB) DDR4 2133 RAM (System Specific Memory) ECC DIMM (288-Pin) KTL-TS421E/16G (select Lenovo)
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Kingston 16GB (1 x 16GB) DDR4 2133 RAM (System Specific Memory) ECC DIMM (288-Pin) KTL-TS421E/16G (select Lenovo)
  • Compatible System: Lenovo - ThinkServer TS150 Lenovo - ThinkServer TS450 Lenovo - ThinkStation P310 (SFF/Tower)
  • Type: 288-Pin DDR4 SDRAM
  • Model #: KTL-TS421E/16G
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  • $189.00 –
  • Free Shipping
NEMIX RAM 1TB (8X128GB) DDR4 2933MHZ PC4-23400 4Rx4 1.2V CL21 288-PIN ECC LRDIMM Load Reduced Server Memory KIT Compatible with ASRock Rack ROMED8-2T AMD EPYC Motherboard
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NEMIX RAM 1TB (8X128GB) DDR4 2933MHZ PC4-23400 4Rx4 1.2V CL21 288-PIN ECC LRDIMM Load Reduced Server Memory KIT Compatible with ASRock Rack ROMED8-2T AMD EPYC Motherboard
  • Brand: NEMIX RAM
  • Series: ASRock Server Motherboard Compatible Series Memory
  • Capacity: 1TB (8 x 128GB)
  • Speed: DDR4 2933 (PC4 23400)
  • Model #: 0759170877225
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  • $7,916.49 –
  • Free Shipping
Kingston 16GB 240-Pin DDR3 SDRAM DDR3L 1600 (PC3L 12800) ECC Registered Low Voltage Module Memory Model KTD-PE316LV/16G
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  • $54.90 –
  • Free Shipping
1 GB Dell New Certified Memory RAM Upgrade for Dell Dimension E521 Desktop SNPXG700C/1G A0763207
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  • $16.99 –
  • Free Shipping
SAMSUNG 32GB DDR3L 1600 (PC3 12800) Server Memory Model M386B4G70DM0-YK0
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SAMSUNG
SAMSUNG 32GB DDR3L 1600 (PC3 12800) Server Memory Model M386B4G70DM0-YK0
  • CAS Latency: CL11
  • Voltage: 1.35V
  • Model #: M386B4G70DM0-YK0
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  • $95.00 –
  • Free Shipping
Kingston 2GB 240-Pin DDR3 SDRAM DDR3 1333 System Specific Memory for HP/Compaq Model KTH9600B/2G
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Kingston 2GB 240-Pin DDR3 SDRAM DDR3 1333 System Specific Memory for HP/Compaq Model KTH9600B/2G
  • Compatible System: HP/Compaq
  • Type: 240-Pin DDR3 SDRAM
  • Parts: Lifetime limited
  • Labor: Lifetime limited
  • Model #: KTH9600B/2G
  • $29.46
  •  
  • $19.45 –
  • Save: 33%
  • Free Shipping
SAMSUNG M393A1G40DB0-CPB 8GB 1RX4 PC4-2133P ECC RDIMM Memory
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SAMSUNG
SAMSUNG M393A1G40DB0-CPB 8GB 1RX4 PC4-2133P ECC RDIMM Memory
  • Voltage: 1.20V
  • Compatible System: M393A1G40DB0-CPB
  • CAS Latency: CL15
  • Type: 288-Pin DDR4 SDRAM
  • Model #: M393A1G40DB0-CPB-075
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  • $52.79 –
SAMSUNG 32GB ECC ECC Chipkill Load Reduced DDR3 1866 (PC3 14900) Server Memory Model M386B4G70DM0-CMA
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SAMSUNG
SAMSUNG 32GB ECC ECC Chipkill Load Reduced DDR3 1866 (PC3 14900) Server Memory Model M386B4G70DM0-CMA
  • Chipset: Major Brand Chipset
  • CAS Latency: CL13
  • Voltage: 1.50V
  • Heat Spreader: Yes
  • Model #: M386B4G70DM0-CMA
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  • $79.00 –
  • Free Shipping
Kingston 1GB 184-Pin DDR SDRAM DDR 333 (PC 2700) Unbuffered System Specific Memory for HP/Compaq Model KTC-D320/1G
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Kingston 1GB 184-Pin DDR SDRAM DDR 333 (PC 2700) Unbuffered System Specific Memory for HP/Compaq Model KTC-D320/1G
  • Voltage: 2.50V
  • Compatible System: HP/Compaq
  • Type: 184-Pin DDR SDRAM
  • Parts: Lifetime limited
  • Model #: KTC-D320/1G
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  • $24.99 –
  • Free Shipping
NEMIX RAM 16GB (1X16GB) DDR4 3200MHz PC4-25600 2Rx8 1.2V CL22 288-PIN ECC Unbuffered UDIMM Memory Compatible with QNAP RAM-16GDR4ECK1-UD-3200, RAM-16GDR4ECT0-UD-3200
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NEMIX RAM 16GB (1X16GB) DDR4 3200MHz PC4-25600 2Rx8 1.2V CL22 288-PIN ECC Unbuffered UDIMM Memory Compatible with QNAP RAM-16GDR4ECK1-UD-3200, RAM-16GDR4ECT0-UD-3200
  • Brand: NEMIX RAM
  • Series: NEMIX RAM Original Series Memory
  • Capacity: 16GB
  • Speed: DDR4 3200 (PC4 25600)
  • Model #: ME25600-628K1-RAM-16GDR4ECXX-UD-3200
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  • $169.88 –
  • Free Shipping
SAMSUNG 8GB 1RX4 PC4-2133P  M393A1G40DB0-CPB0Q MEMORY MODULE
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SAMSUNG
SAMSUNG 8GB 1RX4 PC4-2133P M393A1G40DB0-CPB0Q MEMORY MODULE
  • Voltage: 1.20V
  • Compatible System: M393A1G40DB0-CPB
  • CAS Latency: CL15
  • Type: 288-Pin DDR4 SDRAM
  • Model #: M393A1G40DB0-CPB-110
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  • $52.79 –

System-specific memory has a significant effect on your device's performance. Memory is also called Random Access Memory (RAM), and selecting the correct type is important, as it needs to match the specifications of your device. The Double Data Rate (DDR) generation, for example, needs to match your motherboard. DDR 2 is what older computers use, and DDR 3 goes with motherboards created after 2007, with the latest motherboards being designed to work with DDR 4. Determine how much RAM you can install by checking your operating system. If you are using Windows®, it will vary between the 32-bit version, which can handle 4GB of RAM at most, and the 64-bit version, which can handle up to 3TB of RAM. Also check to see if the version is Pro or Home. When choosing system-specific RAM, first double-check the specifications of both your motherboard and your operating system.

Run Programs, Applications, and Games Efficiently With System-Specific Memory

Reduce latency and prevent programs from crashing due to overload with sufficient system-specific memory. Gamers need a minimum of 8GB of RAM, and creative professionals require at least 16GB to run programs that use a lot of processing power. RAM modules are available from as little as 128MB up to 64GB. The number of RAM modules you can purchase depends on how many Dual In-Line Memory Module (DIMM) slots your motherboard has. Bear in mind that smaller motherboards (mITX- Mini-ITX and mATX- Micro-ATX) only have two slots, whereas the larger ATX and Extended-ATX (eATX) models have four or more. Get around limited space issues by purchasing a RAM module with a higher amount of memory. DIMM is specifically designed for use as desktop RAM, as these modules fit into the available slots of a desktop computer.

Speed Up Your Laptop and Run More Applications at Once With RAM

Upgrade your laptop by increasing the amount of RAM. Small Outline Dual Inline Memory Module (SO-DIMM) options are the correct choice for laptop RAM. SO-DIMM slots accommodate the smaller and slimmer case of laptops. As with a desktop, check what your operating system and motherboard can handle. Use Unbuffered Non-Error Correction Code memory, abbreviated as unbuffered non-ECC registered RAM and also known as Static RAM (SRAM), for personal computers and laptops for work, entertainment, or gaming purposes. This type of RAM is faster, which is especially important for gamers and creative professionals.

Keep Your Server Processing and Data Safe With RAM

Because servers run constantly and process so much data, it is best to purchase dedicated server memory. Unlike desktop computers and laptops, servers require ECC registered RAM, also known as Dynamic Random Access Memory or DRAM. ECC registered memory finds errors and corrects them, which helps prevent data corruption without needing manual input. This lets your servers transfer data faster, keeps your data safe and places a smaller electrical load on your computer without requiring input from the user.

Bestselling System Specific Memory Reviews:

Anonymous
3/16/2026 6:03:37 PM
The memory is good

“ The memory is good, shipping was fast, and delivery was quick. ”

A-Tech 64GB Kit (2x32GB) RAM for Apple iMac (2019, 2020), Mac mini (Late 2018, Early 2020) | DDR4 2666MHz PC4-21300 SODIMM 260-Pin Memory Upgrade
Anonymous
2/6/2026 9:23:17 PM
Reliable SK Hynix-Based ECC Memory for Professional Workstations

“ A solid, dependable 64GB memory kit built with quality SK Hynix chips. ”

NEMIX RAM 16GB (1X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with Micron KSM48R40BS8KMM-16HMR
Ej
4/11/2023 7:54:10 AM
For older laptop

“ The existing 4GB memory was causing too much hard disk paging. ”

Crucial 8GB Kit (2 x 4GB) DDR3L 1600 MT/s (PC3L-12800) SODIMM 204-Pin 1.35V Laptop Memory - CT2KIT51264BF160B
Anonymous
4/1/2023 8:32:49 AM
Crucial - 4GB DDR3 1600 MHz

“ Decided to finally max out my laptop's memory after Microsoft released W10-22H2. ”

Crucial - DDR3 - 4 GB - SO-DIMM 204-pin - 1600 MHz / PC3-12800 - CL11 - 1.35 V - unbuffered - non-ECC - for Apple iMac 2