We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Green rectangular DDR5 server memory module with gold contacts and black chips, no heat spreader

A-Tech

A-Tech 16GB DDR5 4800 ECC RDIMM 1Rx8 for Hynix HMCA2GR8MJR8C-EB HMCG78MEBRA102N 105N 112N 116N server RAM

SKU CH-40JY-4WYNX

16 GB DDR5-4800 ECC registered DIMM with 1Rx8 layout for Hynix-compatible servers

  • Capacity16GB
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS Latency40
  • Voltage1.10V
  • ECCYes
  • ECC protection prevents data errors with registered DDR5 design
  • 4800 MHz speed handles heavy server workloads efficiently
  • 16 GB capacity expands system memory for demanding applications
  • 1 V operation reduces power consumption in data centres
  • Compatible replacement for Hynix HMCA2GR8MJR8C-EB and related part numbers

16GB DDR5 4800 ECC RDIMM

This 16GB DDR5 4800 ECC RDIMM module is built for server and workstation systems that require registered memory with error correction. It replaces specific Hynix part numbers including HMCA2GR8MJR8C-EB and the HMCG78MEBRA series. The module runs at 4800 MT/s with a CAS latency of 40 and operates at the standard 1.10 V.

Suited for registered DDR5 slots only

This module fits systems designed for 288-pin DDR5 RDIMMs with ECC support and a 1Rx8 rank structure. Builders using platforms that accept only unbuffered UDIMMs or that lack DDR5 registered memory support should look at other memory types. The single-rank x8 organisation suits configurations that populate multiple channels per controller.

Registered ECC with 1Rx8 organisation

The deciding specification is the combination of registered buffering, ECC capability and 1Rx8 rank layout on a 288-pin DDR5 form factor. Only motherboards and server boards qualified for DDR5 RDIMMs with this rank configuration will recognise and stabilise the module at 4800 MT/s.

Highlights

  • ECC protection prevents data errors with registered DDR5 design
  • 4800 MHz speed handles heavy server workloads efficiently
  • 16 GB capacity expands system memory for demanding applications
  • 1 V operation reduces power consumption in data centres
  • Compatible replacement for Hynix HMCA2GR8MJR8C-EB and related part numbers

Specifications

BrandA-Tech
SeriesCompatible Replacement for Hynix HMCA2GR8MJR8C-EB HMCG78MEBRA102N HMCG78MEBRA105N HMCG78MEBRA112N HMCG78MEBRA116N
ModelA-Tech 16GB DDR5-4800 ECC RDIMM Server RAM Module
Capacity16GB
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS Latency40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
FeaturesMajor Brand DRAM IC Chips

Questions about this item

Should I choose the 16GB DDR5 4800 module or a different capacity for my server?

This listing provides a single 16GB DDR5-4800 ECC RDIMM. Select this module when your system requires a 1Rx8 registered DIMM at 1.1V to match the Hynix part numbers listed.

What does the 4800MHz speed rating deliver in an actual server workload?

The module runs at DDR5-4800 (PC5-38400) with CL40 latency, providing the rated bandwidth and error-correction for registered server platforms that support this speed grade.

How does the 288-pin RDIMM interface limit memory configuration in practice?

The 288-pin registered DIMM fits DDR5 RDIMM slots only; the 1Rx8 organisation and ECC function require a server or workstation chipset that supports registered memory.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.