SK hynix HMA42GR7AFR4N-TF 16GB DDR4 2133MHz CL15 ECC Registered Dual Rank 1.2V 288-Pin Server RAM
- 16GB
- 288-Pin DDR4 SDRAM
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Brute Networks
An 8 GB DDR4 SODIMM with ECC, 2133 MT/s speed and CL15 latency for HP-compatible servers
This 8 GB DDR4-2133 module is built for HP servers and workstations that require ECC memory. It carries the T0H92AA part number equivalent and uses major-brand chips from Samsung, SK Hynix or Micron. The unregistered 2Rx8 design fits standard DDR4 SODIMM slots in compatible platforms. Buyers who need registered DIMMs or a different form factor cannot use this module.
The module runs at the standard DDR4 voltage of 1.20 V and is rated at CAS latency 15. ECC circuitry corrects single-bit errors without adding measurable latency in normal workloads. Power draw stays within the DDR4 SODIMM specification for this speed grade. Systems that require a different voltage or latency profile will not match these specifications.
Each stick uses a 288-pin edge connector and is tested for full HP compatibility before shipping. Modules from the same order are guaranteed to match, preventing mixed-rank or mixed-vendor issues. The major-brand chipset ensures consistent quality across the batch. Builds that need a DIMM form factor or a non-ECC configuration must choose a different product.
| Brand | HP |
|---|---|
| Capacity | 8GB |
| Type | 288-Pin DDR4 SDRAM |
| Speed | DDR4 2133 (PC4 17000) |
| CAS Latency | CL15 |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Unregistered |
| Rank | 2Rx8 |
| Chipset | Major Brand Chipset |
Align the notch on the module with the key in the slot, press firmly until both side clips click, and verify the system recognises the full 8GB at 2133 MHz. The common mistake is stopping before the clips engage, leaving the module partially seated.
No scheduled maintenance is required; the module is rated for continuous server operation at 1.20 V. Replace it only if memory diagnostics report correctable ECC errors that exceed the platform threshold.
The CAS latency of 15 cycles at 2133 MHz sets the baseline response time; under sustained write-heavy workloads the memory controller will hit this timing ceiling before thermal or voltage limits become a factor.
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