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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NEMIX RAM
A 16 GB DDR4 SODIMM running at 2400 MHz with CL17 latency for QNAP TVS-472XT, TVS-672XT and TVS-872XT NAS upgrades
This 16 GB DDR4 SODIMM is built for QNAP TVS-672XT, TVS-872XT and TVS-472XT network-attached storage devices. It delivers a straightforward capacity increase for multi-user file serving, virtualization hosts or backup workloads that benefit from extra memory headroom.
The module is validated only for the three TVS-XT series units listed above; owners of other QNAP series, different NAS brands or standard laptops should verify their platform's qualified-vendor list before purchasing. Buyers who need ECC protection for data integrity or registered DIMMs for server motherboards will not find those features here.
The single decisive figure is the 16 GB capacity running at DDR4 2400 with CL17 latency in a 260-pin unbuffered SODIMM form factor; if your TVS-XT chassis requires a different speed, rank or voltage, this stick will not be compatible.
| Brand | NEMIX RAM |
|---|---|
| Series | QNAP NAS Compatible Series Memory |
| Model | QNAP DDR4 2666MHZ Non-ECC Unbuffered SODIMM NAS Memory |
| Part Number | MS19200-628K1 |
| Capacity | 16GB |
| Speed | DDR4 2400 (PC4 19200) |
| ECC | No |
| Buffered/Registered | Unbuffered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.20V |
| Compatible System | Qnap |
| CAS Latency | CL17 |
| Heat Spreader | No |
| Type | 260-PIN DDR4 SODIMM |
| Rank | 2Rx8 |
| Features | DDR4 Non-ECC Unbuffered SODIMM Motherboard Compatible |
| Package Content | 16GB (1X16GB) DDR4 2400MHZ PC4-19200 2Rx8 1.2V CL17 260-PIN Non-ECC Unbuffered SODIMM |
Power off the NAS, unplug it, open the chassis, align the notch on the module with the slot key, press firmly until the side clips click, then reassemble; the step often missed is fully seating the module so both clips engage.
No scheduled maintenance is required; keep the NAS vents clear of dust for airflow, and replace the module only if memory errors appear or capacity needs increase.
The CAS latency of 17 cycles at 2400 MT/s sets the response-time floor, so latency-sensitive tasks hit that timing ceiling before bandwidth saturates.
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