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Green rectangular circuit board with gold edge connectors and black memory chips on both sides

Hynix

Hynix HMA81GR7CJR8N-WM 8GB DDR4-2933 1Rx8 ECC REG DIMM desktop RAM

SKU CH-FH2J-G2BS1 MPN HMA81GR7CJR8N-WM

An 8 GB DDR4-2933 registered ECC DIMM with 288 pins for error-correcting desktop systems

  • 8 GB capacity supports multitasking workloads
  • DDR4-2933 bus speed delivers PC4-23400 bandwidth
  • ECC registered design protects data integrity
  • Single 1Rx8 module simplifies installation
  • 288-pin DIMM form factor fits desktop slots

8 GB DDR4-2933 ECC Registered DIMM

This module delivers eight gigabytes of DDR4 memory at 2933 MT/s with error-correcting code and registered buffering. It targets workstation and server builders who require data integrity for critical workloads. The single-rank x8 organisation keeps electrical loading low on populated channels. It fits standard 288-pin desktop DIMM slots.

PC4-23400 bus speed ceiling

The PC4-23400 rating defines the maximum standard transfer rate this module guarantees. Systems that cannot clock DDR4 to 2933 MT/s will downshift to the highest supported JEDEC speed. Overclocking beyond the rated frequency is not covered by the module specification. Registered signalling adds one clock cycle of latency compared with unbuffered DIMMs.

288-pin gold-finger connector and green PCB

The 288-pin edge connector mates with any DDR4 DIMM socket keyed for registered modules. A single notch position prevents accidental insertion into unbuffered-only slots. The green fibre-glass substrate resists flex during installation. No heatsink is fitted so height remains within the standard low-profile envelope for dense server chassis.

Highlights

  • 8 GB capacity supports multitasking workloads
  • DDR4-2933 bus speed delivers PC4-23400 bandwidth
  • ECC registered design protects data integrity
  • Single 1Rx8 module simplifies installation
  • 288-pin DIMM form factor fits desktop slots

Specifications

No published specifications for this item yet.

Questions about this item

Should I pick the 8 GB DDR4-2933 module or look for a different capacity?

This listing is a single 8 GB DDR4-2933 ECC registered DIMM. Choose it when your board has a free 288-pin slot and you need exactly 8 GB of registered memory.

What does the DDR4-2933 rating deliver once the stick is installed?

The module runs at 2933 MT/s, providing a peak transfer rate of PC4-23400. Actual throughput depends on the memory controller and whether the board can operate at that speed.

Does the 288-pin DDR4 interface limit the usable speed on a typical desktop board?

The 288-pin DDR4 form factor carries the DDR4-2933 signal. If the motherboard only supports lower DDR4 speeds, the module will downclock to the highest speed the board allows.

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