About this product

Name: OWC - 64GB DDR4 2666MHz PC4-21300 CL19 2RX4 ECC Registered RDIMM 1.2V 288-pin Memory RAM Upgrade for Server - Black Chips
Brand: OWC
SKU: 35bad03846776149e85ecd212265c5f5
Price: 539.99 USD
Availability: InStock

Quick Questions

Generating personalized questions...

Generated by Xonefy

Questions and answers are generated by Xonefy based on product information. For detailed specifications, please refer to the manufacturer's documentation.

Capacity: 64GB --- Technology: DDR4 --- Speed: PC4-21300 2666MHz CL19 --- ECC Type: ECC Registered --- Form Factor: 288-Pin ECC DIMM (RDIMM) --- Voltage: 1.2V --- Backward Compatibility: Also compatible with 2400MHz and 2133MHz --- Replacement For: Kingston KSM26RD4/64HCR, KSM26RD4/64MFR; Supermicro MEM‐DR464L‐SL03‐ER26; Synology D4ER01-64G --- OWC DDR4 memory is Fully compliant with JEDEC specifications, ROHS compliant, providing a warranty safe upgrade. OWC Memory is the most cost effective and simple DIY upgrade you can install to unleash your Mac or PC's full potential and speed up overall responsiveness. Become a multitasking maven when you upgrade your Mac or PC with OWC Memory. Open more apps. Open larger files. Plus, work with multiple files all at the same time. We test every OWC memory module at our in house lab so you can upgrade with the confidence that your memory is built to last. We built your OWC Memory upgrade to meet or exceed the toughest industry specs to provide years of worry-free service. OWC recommends that all DIMMs be the same capacity, speed, and manufacturer to ensure optimal memory performance.

Smart Summary

Generated by Xonefy

OWC 64GB DDR4 RAM Upgrade

Elevate your server's performance with the OWC 64GB DDR4 2666MHz PC4-21300 CL19 2RX4 ECC Registered RDIMM. This high-capacity memory module is designed for reliability and efficiency, featuring error-correcting code (ECC) technology to ensure data integrity. With a speed of 2666MHz and a low voltage of 1.2V, it strikes the perfect balance between power consumption and performance. The sleek black chips add a modern touch to your server setup. Upgrade your system effortlessly with this 288-pin RAM, perfect for demanding applications and multitasking environments. Experience enhanced speed and stability today!

Silicon Power - DDR5 32GB (2x16GB) 6000MT/s CL36 1.35V UDIMM RAM - Black

Silicon Power DDR5 32GB (2x16GB) Zenith 6000MT/s (PC5-48000) 288-pin CL36 1.35V UDIMM Desktop Memory Module RAM SP032GXLWU60FFDE Black

Brand: Silicon PowerCustom Shipping

$567.23

OWC - 16GB DDR4 3200MHz PC4-25600 CL22 1.2V 260pin Non-ECC SODIMM Memory RAM Compatible with Lenovo ThinkPad E15 G3 - Black Chips

Capacity: 16GB --- Technology: DDR4 --- Speed: PC4-25600 3200MHz CL22 --- ECC Type: Non-ECC Unbuffered --- Form Factor: 260-Pin Non-ECC SODIMM --- Voltage: 1.2V --- Backward Compatibility: Also compatible with 2933MHz, 2666MHz, 2400MHz, and 2133MHz --- System Compatibility: Lenovo ThinkPad E15 G3 --- Replacement For: Lenovo 01AG877, 4X70Z90845, 4X70Z90847, 4X71D09534, 4X71D09535, 5M30V06803, 5M30V06806, 5M30V06810, 5M30V06970, 5M30V06972, 5M30Z71707, 5M30Z71713, 5M30Z71754, 5M30Z71814 --- OWC DDR4 memory is Fully compliant with JEDEC specifications, ROHS compliant, providing a warranty safe upgrade. OWC Memory is the most cost effective and simple DIY upgrade you can install to unleash your Mac or PC's full potential and speed up overall responsiveness. Become a multitasking maven when you upgrade your Mac or PC with OWC Memory. Open more apps. Open larger files. Plus, work with multiple files all at the same time. We test every OWC memory module at our in house lab so you can upgrade with the confidence that your memory is built to last. We built your OWC Memory upgrade to meet or exceed the toughest industry specs to provide years of worry-free service. OWC recommends that all DIMMs be the same capacity, speed, and manufacturer to ensure optimal memory performance.

Brand: OWCCustom Shipping

$135.99

Kingston - ValueRAM 8GB DDR4 SDRAM Memory Module - For Desktop PC, Server - 8 GB - DDR4-3200/PC4-25600 DDR4 SDRAM - 3200 - Black

Kingston ValueRAM 8GB DDR4 SDRAM Memory Module - For Desktop PC, Server - 8 GB - DDR4-3200/PC4-25600 DDR4 SDRAM - 3200 MHz - CL22 - 1.20 V - Non-ECC - Unbuffered - 288-pin - DIMM - Lifetime Warranty

Brand: KingstonCustom Shipping

$151.41

Skytech Gaming - Skytech CHRONOS3 - AMD Ryzen 7 9700X, 5070, 32GB 6000 MHz DDR5 RAM, 850W GOLD A3 PSU - Black

Skytech Gaming Chronos 3 Gaming PC, AMD Ryzen 7 9700X 3.8GHz, NVIDIA RTX 5070 12GB VRAM, 1TB Gen4 NVMe SSD, 32GB DDR5 RAM 6000, 850W GOLD ATX 3 PSU, 360 ARGB AIO , Wi-Fi, Win 11, Desktop

Brand: Skytech GamingCustom Shipping

$1799.99

OWC - 32GB (4x8GB) DDR4 3200MHz PC4-25600 CL22 1RX8 ECC Unbuffered SODIMM 1.2V 260-pin Memory RAM - Black Chips

Capacity: 32GB (4x8GB) --- Technology: DDR4 --- Speed: PC4-25600 3200MHz CL22 --- ECC Type: ECC Unbuffered --- Form Factor: 260-Pin ECC SODIMM --- Voltage: 1.2V --- Backward Compatibility: Also compatible with 2933MHz, 2666MHz, 2400MHz, and 2133MHz --- OWC DDR4 memory is Fully compliant with JEDEC specifications, ROHS compliant, providing a warranty safe upgrade. OWC Memory is the most cost effective and simple DIY upgrade you can install to unleash your Mac or PC's full potential and speed up overall responsiveness. Become a multitasking maven when you upgrade your Mac or PC with OWC Memory. Open more apps. Open larger files. Plus, work with multiple files all at the same time. We test every OWC memory module at our in house lab so you can upgrade with the confidence that your memory is built to last. We built your OWC Memory upgrade to meet or exceed the toughest industry specs to provide years of worry-free service. OWC recommends that all DIMMs be the same capacity, speed, and manufacturer to ensure optimal memory performance.

Brand: OWCCustom Shipping

$341.38

OWC - 512GB (8x64GB) DDR5 5200MHz 2Rx4 CL42 ECC Registered 288p RDIMM Memory RAM for Workstations, Servers, NAS Systems - Black Chips

Capacity: 512GB (8x64GB) --- Technology: DDR5 --- Speed: PC5-41600 5200MHz CL42 --- ECC Type: ECC Registered --- Form Factor: 288-Pin ECC DIMM (RDIMM) --- Voltage: 1.1V --- Backward Compatibility: Also compatible with 4800MHz --- OWC DDR5 memory is Fully compliant with JEDEC specifications, ROHS compliant, providing a warranty safe upgrade. OWC Memory is the most cost effective and simple DIY upgrade you can install to unleash your Mac or PC's full potential and speed up overall responsiveness. Become a multitasking maven when you upgrade your Mac or PC with OWC Memory. Open more apps. Open larger files. Plus, work with multiple files all at the same time. We test every OWC memory module at our in house lab so you can upgrade with the confidence that your memory is built to last. We built your OWC Memory upgrade to meet or exceed the toughest industry specs to provide years of worry-free service. OWC recommends that all DIMMs be the same capacity, speed, and manufacturer to ensure optimal memory performance.

Brand: OWCCustom Shipping

$15903.92

OWC - 64GB (2x32GB) DDR5 5600MHz 2Rx4 CL46 ECC Registered 288p RDIMM Memory RAM for Workstations, Servers, NAS Systems - Black Chips

Capacity: 64GB (2x32GB) --- Technology: DDR5 --- Speed: PC5-44800 5600MHz CL46 --- ECC Type: ECC Registered --- Form Factor: 288-Pin ECC DIMM (RDIMM) --- Voltage: 1.1V --- Backward Compatibility: Also compatible with 4800MHz --- OWC DDR5 memory is Fully compliant with JEDEC specifications, ROHS compliant, providing a warranty safe upgrade. OWC Memory is the most cost effective and simple DIY upgrade you can install to unleash your Mac or PC's full potential and speed up overall responsiveness. Become a multitasking maven when you upgrade your Mac or PC with OWC Memory. Open more apps. Open larger files. Plus, work with multiple files all at the same time. We test every OWC memory module at our in house lab so you can upgrade with the confidence that your memory is built to last. We built your OWC Memory upgrade to meet or exceed the toughest industry specs to provide years of worry-free service. OWC recommends that all DIMMs be the same capacity, speed, and manufacturer to ensure optimal memory performance.

Brand: OWCCustom Shipping

$2193.38

Skytech Gaming - Skytech CHRONOS3 - AMD Ryzen 7 7700, 9060XT 8GB, 32GB 6000 MHz DDR5 RAM, 650W GOLD PSU - Black

Skytech Gaming Chronos 3 Gaming PC, AMD Ryzen 7 7700 3.8GHz, AMD RX 9060XT 8GB VRAM, 1TB Gen4 NVMe SSD, 32GB DDR5 RAM 6000, 650W GOLD PSU, Wi-Fi, Win 11, Desktop

Brand: Skytech GamingCustom Shipping

$1429.99

October 15, 2025

Smart Speed: How to Shop Fast Online Without Overspending

Learn how to shop online quickly and wisely. Discover how price comparison tools on sales365days.com help you find the best deals instantly - without breaking your budget.

By Max Basaria

September 16, 2025

Best Lifestyle Apps to Organize Your Busy Schedule

Explore the best lifestyle apps to plan tasks, track habits, health care and save time. Stay on top of life with these smart daily tools.

By Willie Redmond

March 22, 2026

Apple iPhone 17e Review 2026 - Budget iPhone Gets Big Upgrade

Apple iPhone 17e review. A19 chip, 256GB base storage, improved camera and MagSafe. Is this the best budget iPhone to buy in 2026? Full specs, features and verdict.

By Willie Redmond

December 25, 2025

iPhone Fold Dummy Suggests Apple Is Rethinking the Future of Smartphones

A leaked iPhone Fold dummy reveals Apple’s radical foldable phone design, featuring a square shape and a tablet-like display when unfolded.

By Willie Redmond

View All Articles

About this product

Quick Questions

Generating personalized questions...

Generated by Xonefy

Questions and answers are generated by Xonefy based on product information. For detailed specifications, please refer to the manufacturer's documentation.

Smart Summary

Generated by Xonefy

About this product

OWC 64GB DDR4 RAM Upgrade

You might also like

Silicon Power - DDR5 32GB (2x16GB) 6000MT/s CL36 1.35V UDIMM RAM - Black

OWC - 16GB DDR4 3200MHz PC4-25600 CL22 1.2V 260pin Non-ECC SODIMM Memory RAM Compatible with Lenovo ThinkPad E15 G3 - Black Chips

Kingston - ValueRAM 8GB DDR4 SDRAM Memory Module - For Desktop PC, Server - 8 GB - DDR4-3200/PC4-25600 DDR4 SDRAM - 3200 - Black

Skytech Gaming - Skytech CHRONOS3 - AMD Ryzen 7 9700X, 5070, 32GB 6000 MHz DDR5 RAM, 850W GOLD A3 PSU - Black

OWC - 32GB (4x8GB) DDR4 3200MHz PC4-25600 CL22 1RX8 ECC Unbuffered SODIMM 1.2V 260-pin Memory RAM - Black Chips

OWC - 512GB (8x64GB) DDR5 5200MHz 2Rx4 CL42 ECC Registered 288p RDIMM Memory RAM for Workstations, Servers, NAS Systems - Black Chips

OWC - 64GB (2x32GB) DDR5 5600MHz 2Rx4 CL46 ECC Registered 288p RDIMM Memory RAM for Workstations, Servers, NAS Systems - Black Chips

Skytech Gaming - Skytech CHRONOS3 - AMD Ryzen 7 7700, 9060XT 8GB, 32GB 6000 MHz DDR5 RAM, 650W GOLD PSU - Black

Smart Speed: How to Shop Fast Online Without Overspending

Best Lifestyle Apps to Organize Your Busy Schedule

Apple iPhone 17e Review 2026 - Budget iPhone Gets Big Upgrade

iPhone Fold Dummy Suggests Apple Is Rethinking the Future of Smartphones

OWC - 64GB DDR4 2666MHz PC4-21300 CL19 2RX4 ECC Registered RDIMM 1.2V 288-pin Memory RAM Upgrade for Server - Black Chips

About this product

OWC 64GB DDR4 RAM Upgrade

You might also like

Silicon Power - DDR5 32GB (2x16GB) 6000MT/s CL36 1.35V UDIMM RAM - Black

OWC - 16GB DDR4 3200MHz PC4-25600 CL22 1.2V 260pin Non-ECC SODIMM Memory RAM Compatible with Lenovo ThinkPad E15 G3 - Black Chips

Kingston - ValueRAM 8GB DDR4 SDRAM Memory Module - For Desktop PC, Server - 8 GB - DDR4-3200/PC4-25600 DDR4 SDRAM - 3200 - Black

Skytech Gaming - Skytech CHRONOS3 - AMD Ryzen 7 9700X, 5070, 32GB 6000 MHz DDR5 RAM, 850W GOLD A3 PSU - Black

OWC - 32GB (4x8GB) DDR4 3200MHz PC4-25600 CL22 1RX8 ECC Unbuffered SODIMM 1.2V 260-pin Memory RAM - Black Chips

OWC - 512GB (8x64GB) DDR5 5200MHz 2Rx4 CL42 ECC Registered 288p RDIMM Memory RAM for Workstations, Servers, NAS Systems - Black Chips

OWC - 64GB (2x32GB) DDR5 5600MHz 2Rx4 CL46 ECC Registered 288p RDIMM Memory RAM for Workstations, Servers, NAS Systems - Black Chips

Skytech Gaming - Skytech CHRONOS3 - AMD Ryzen 7 7700, 9060XT 8GB, 32GB 6000 MHz DDR5 RAM, 650W GOLD PSU - Black

Smart Speed: How to Shop Fast Online Without Overspending

Best Lifestyle Apps to Organize Your Busy Schedule

Apple iPhone 17e Review 2026 - Budget iPhone Gets Big Upgrade

iPhone Fold Dummy Suggests Apple Is Rethinking the Future of Smartphones

OWC - 64GB DDR4 2666MHz PC4-21300 CL19 2RX4 ECC Registered RDIMM 1.2V 288-pin Memory RAM Upgrade for Server - Black Chips