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Green 240-pin DDR3 DIMM with black memory chips and gold edge contacts

SK hynix

SK hynix HMT31GR7BFR4A-H9 8GB DDR3 1333 ECC Registered Server RAM

SKU CH-81ZC-A5YZ4 MPN HMT31GR7BFR4A-H9

8GB DDR3 1333 registered ECC module with CL9 latency and 1.35V operation for server workloads

  • Capacity8GB
  • Type240-Pin DDR3 SDRAM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL9
  • Voltage1.35V
  • ECCYes
  • 8 GB capacity supports demanding server workloads
  • DDR3 1333 (PC3 10600) speed delivers reliable throughput
  • ECC Registered design detects and corrects memory errors
  • CL9 latency at 1.35 V balances response time and efficiency
  • 240-pin 2Rx4 module fits standard registered DIMM slots

8 GB DDR3 ECC Registered Server Module

This 8 GB DDR3 module runs at 1333 MHz with a CAS latency of CL9 and operates at 1.35 V. It is a 240-pin DIMM built with ECC and registered buffering for server environments.

Verify Motherboard Support for Registered ECC DDR3

Confirm that your motherboard accepts registered ECC DDR3 DIMMs and can run memory at 1.35 V. Standard desktop boards often reject registered modules or lack ECC support entirely.

Suits Servers Needing 8 GB Registered ECC Sticks

Ideal for upgrading or repairing servers that require registered ECC DDR3 at 1333 MHz. Not suitable for desktops, laptops or workstations that need unbuffered non-ECC memory or a different DDR generation.

Highlights

  • 8 GB capacity supports demanding server workloads
  • DDR3 1333 (PC3 10600) speed delivers reliable throughput
  • ECC Registered design detects and corrects memory errors
  • CL9 latency at 1.35 V balances response time and efficiency
  • 240-pin 2Rx4 module fits standard registered DIMM slots

Specifications

BrandHynix
ModelHMT31GR7BFR4A-H9
Capacity8GB
Type240-Pin DDR3 SDRAM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL9
Voltage1.35V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4

Questions about this item

Does the 240-pin DDR3 1333 module arrive as a single 8GB stick or do I need to buy additional sticks to reach that capacity?

The module is a single 8GB 240-pin DDR3 stick; no extra sticks are required to obtain the stated capacity.

Should I choose the 1.35V CL9 registered ECC version or look for a different voltage or latency?

This specific part runs at 1.35V with CL9 latency and includes registered ECC; select it when your server requires that exact voltage, latency and error-correction combination.

What does the PC3 10600 rating mean for actual throughput in a server?

PC3 10600 indicates a peak transfer rate of 10600 MB/s at 1333 MT/s, which is the maximum bandwidth this registered ECC module can deliver in a compatible system.

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