Kingston ValueRAM 16GB RAM 2133MHz DDR4 ECC Reg CL15 DIMM DR x 4 with TS Server Memory (KVR21R15D4/16)
*Price sourced from Amazon.com. Last updated 2026-05-15. Price and availability subject to change.
With DDR3 reaching its limits in the ever-changing world of technology that demands higher performance and increased bandwidth, there is a new generation of DDR SDRAM on the horizon: DDR4. DDR4 promises to deliver three things: higher performance, higher DIMM capacities, and lower power consumption. Achieving more than 2Gbps per pin and consuming less power than DDR3L, which is DDR3 low-power, DDR4 provides up to 50% increased performance and bandwidth capabilities while decreasing the voltage and power efficiency of your overall computing environment. This represents a significant improvemen…
SpecPicks Verdict
SpecPicks classifies Kingston ValueRAM 16GB RAM 2133MHz DDR4 ECC Reg CL15 DIMM DR x 4 with… as a mid-pack option worth checking against alternatives in the memory (ram) category, based on 48 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for memory (ram) of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Solid 4.0★ customer rating
- ✓ One 16GB module of 2133MHz DDR4 Memory
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Efficient and Powerful: DDR4 provides increased performance and bandwidth while decreasing the voltage saving up to 40% in power used
- One 16GB module of 2133MHz DDR4 Memory
- 288-pin Registered DIMM
- From the industry leader in PC Memory
- Backed by a lifetime warranty and free technical support
Full Specifications
| Brand | Kingston |
|---|---|
| Voltage | 1.2 Volts |
| RAM Size | 16 GB |
| Model Name | KVR21R15D4/16 |
| Form Factor | DIMM |
| Memory Speed | 2133 MHz |
| Model Number | KVR21R15D4/16 |
| Compatibility | PC |
| Number of Pins | 240 |
| Mfr Part Number | KVR21R15D4/16 |
| Item Part Number | KVR21R15D416 |
| Compatible Devices | Desktop |
| Data Transfer Rate | 2133 MHz |
| Memory Form Factor | DIMM |
Ready to buy?
Kingston ValueRAM 16GB RAM 2133MHz DDR4 ECC Reg CL15 DIMM DR x 4 with TS Server Memory (KVR21R15D4/16) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-15. Price and availability subject to change.
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