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Green rectangular circuit board with black memory chips and gold edge connectors

Kingston Technology Corp.

Kingston Technology Corp. KVR21N15S8/8 8GB DDR4 2133 CL15 desktop RAM

SKU CH-HAR2-6PZFW MPN KVR21N15S8/8

8 GB DDR4 2133 module with CL15 timing and 1.2 V operation in a 288-pin unbuffered design

  • Total capacity8 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • CAS latencyCL15
  • Memory timings15-15-15
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • 8 GB capacity handles everyday workloads
  • DDR4 2133 speed delivers responsive performance
  • CL15 latency ensures quick data access
  • 2 V operation reduces power draw
  • JEDEC-tested design guarantees broad compatibility

ValueRAM 8 GB DDR4 2133 module

This Kingston ValueRAM stick provides 8 GB of DDR4 2133 memory for desktop systems. It targets office PCs, basic workstations and budget builds that need reliable JEDEC-standard capacity without extra cost.

Thermals noise and power at 1.2 V

Operating at 1.20 V the unbuffered module runs cool and silent because it has no heat spreader or moving parts. Standard JEDEC voltage keeps power draw low during typical desktop workloads.

CL15 15-15-15 timing at 2133 MT/s

The single spec that decides fit is the CAS latency 15 with 15-15-15 timings at DDR4 2133 (PC4 17000). Buyers who need lower latency or higher clock speeds should look elsewhere.

How it compares

Measured against everything we stock in Desktop RAM, at today’s prices. Recalculated every night.

Price $58.99
Cheaper than about 61% of the 3,647 comparable items (median $90.99).
Total capacity 8 GB
Lower than about 60% of the 3,251 comparable items (median 16 GB).
Price per GB $7.37 per GB
Pricier than about 54% of the 3,251 comparable items (median $6.75 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameKingston
Product lineValueRAM
Model nameKVR21N15S8/8
Total capacity8 GB
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
CAS latencyCL15
Memory timings15-15-15
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.2 V

Questions about this item

How do I install the 288-pin DDR4 module, and what step do people often miss?

Align the notch on the 288-pin DDR4 module with the slot key, press firmly until both retention clips click, and verify the system detects the full 8 GB at 2133 MT/s in BIOS.

What maintenance or replacement will this 1.20 V unbuffered kit need later?

No routine maintenance is required; keep the slot contacts dust-free and replace the module only if memory errors appear or capacity needs increase.

What limit appears first during sustained workloads with CL15 15-15-15 timing?

The CL15 latency at 2133 MT/s sets the bandwidth ceiling, so throughput plateaus before thermal or voltage limits become a factor.

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