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
8GB DDR4 ECC UDIMM running at 2133 MHz with CL15 latency and 1.2V operation
This 288-pin unregistered UDIMM delivers 8 GB of ECC-protected DDR4 memory rated at 2133 MT/s with CL15 latency. It operates at 1.20 V and uses a 2Rx8 organisation built on major-brand chipsets. The module matches Dell part number 370-ACFV for drop-in server upgrades.
Error-correcting code runs on every transaction, so sustained workloads keep data integrity without the bandwidth penalty of registered buffers. The 2Rx8 layout spreads accesses across two ranks, helping the memory controller maintain consistent throughput during long compute or virtualisation sessions. CL15 timing at 2133 MT/s keeps latency predictable when queues fill.
Align the notch with the 288-pin slot and press until the retention clips click; no special tools or firmware steps are required. The most common issue is mixing registered and unregistered DIMMs in the same channel, which prevents the system from posting. Verify the platform accepts unbuffered ECC UDIMMs before ordering.
| Brand | Dell |
|---|---|
| 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 |
Standard 1.20 V DDR4 at 2133 MT/s operates within normal thermal limits; no special cooling is required beyond the server's existing airflow.
Yes, it is an unregistered 288-pin UDIMM, so it installs directly in any DDR4 slot that accepts ECC unbuffered memory.
Mixing ranks is often supported, but the system will run at the slowest common speed and may require matched pairs per channel; check the server's memory population rules.
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