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Green 288-pin DDR4 UDIMM module with black chips, 8GB capacity

A-Tech

A-Tech Supermicro Certified MEM-DR480LB-EU26 8GB DDR4 2666MHz ECC UDIMM

SKU CH-ES0H-WXK18

8GB DDR4 2666MHz ECC UDIMM module with CL19 latency and 1.2V operation for Supermicro servers

  • Capacity8GB
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • Supermicro-certified for validated server compatibility
  • 8 GB DDR4 2666 MHz CL19 capacity for responsive multitasking
  • ECC unbuffered UDIMM protects data integrity
  • 2 V standard voltage keeps power draw low
  • 288-pin 1Rx8 Hynix module tested for reliable operation

8GB DDR4 2666MHz ECC UDIMM

This module adds 8GB of DDR4 2666MHz ECC unbuffered memory to compatible servers and workstations. It runs at PC4-21300 speed with CL19 latency and 1.20V operation. The 288-pin UDIMM fits standard DDR4 slots. Supermicro certification confirms validated compatibility with qualified platforms.

Who this suits and who should look elsewhere

Builders expanding ECC unbuffered DDR4 capacity in supported Supermicro systems will find this module a direct match. Systems requiring registered DIMMs, higher densities per slot, or non-ECC memory cannot use this part. Buyers without confirmed DDR4 2666MHz ECC UDIMM support should verify their platform before ordering.

Deciding specification: Supermicro Certified

The Supermicro Certified MEM-DR480LB-EU26 part number is the single identifier that guarantees the module has passed Supermicro validation. Matching this exact MPN against your system qualified vendor list confirms whether the 8GB DDR4 2666MHz ECC UDIMM will be accepted. Without that match, compatibility is not assured.

Highlights

  • Supermicro-certified for validated server compatibility
  • 8 GB DDR4 2666 MHz CL19 capacity for responsive multitasking
  • ECC unbuffered UDIMM protects data integrity
  • 2 V standard voltage keeps power draw low
  • 288-pin 1Rx8 Hynix module tested for reliable operation

Specifications

BrandSuperMicro
SeriesSupermicro Certified
ModelMEM-DR480LB-EU26
Capacity8GB
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCYes
Buffered/RegisteredUnbuffered
Rank1Rx8
ChipsetMajor Brand Chipset
FeaturesSupermicro Certified MEM-DR480LB-EU26 (HMA81GU7CJR8N-VK)

Questions about this item

Will this 288-pin DDR4 UDIMM fit in a Supermicro motherboard that takes unbuffered ECC memory?

Yes, it is a 288-pin DDR4 UDIMM with ECC unbuffered design, matching the physical slot and electrical requirements of Supermicro boards that accept unbuffered ECC modules.

What is the correct way to seat the module so the ECC function works, and what step do people often miss?

Align the notch with the slot key, press firmly until both side clips click shut, then verify in BIOS that ECC is enabled — many builders forget to turn on the ECC setting after installation.

When should the 8 GB DDR4 2666 MHz module be replaced to keep the server stable?

Replace it if memory diagnostics report correctable errors that increase over time, if the system logs uncorrectable ECC events, or when a capacity upgrade is required for the workload.

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