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Green 240-pin DDR3 memory module with black chips and gold contacts

Kingston Technology Corp.

Kingston Technology Corp. KVR1333D3D4R9S/8G 8GB DDR3 1333 CL9 ECC Registered memory upgrade

SKU CH-Q1KF-NARQW MPN KVR1333D3D4R9S/8G

8GB DDR3 1333 ECC Registered 240-pin DIMM with CL9 latency, dual-rank x4 design and thermal sensor for server reliability

  • Total capacity8 GB
  • Rated speedDDR3 1333
  • CAS latencyCL9
  • Rated voltage1.5 V
  • Buffer typeRegistered
  • Product type240-Pin DDR3 SDRAM
  • 8GB capacity supports demanding server workloads
  • DDR3 1333 speed delivers reliable data throughput
  • ECC Registered design detects and corrects memory errors
  • CL9 latency provides responsive access times
  • Dual-rank x4 organisation with thermal sensor enhances stability

Server Memory Upgrade

This 8 GB registered DDR3 module is built for servers and workstations that require error-correcting code memory. It operates at 1333 MT/s with CL9 latency and a standard 1.50 V supply. The 240-pin DIMM fits platforms designed for registered DDR3 memory.

Sustained Load Behaviour

The registered buffer reduces electrical loading on the memory controller, helping signal integrity when all slots are populated. ECC circuitry detects and corrects single-bit errors during continuous operation. Dual-rank x4 organisation with a thermal sensor supports stable throughput under prolonged workloads.

DDR3 Interface Limits

DDR3 1333 represents the mainstream speed ceiling for this generation, capping bandwidth at the JEDEC-defined rate. Registered DIMMs cannot be mixed with unbuffered modules on the same channel. Systems not designed for registered ECC memory will not recognise this module.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $86.99
Cheaper than about 69% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $10.87 per GB
Pricier than about 55% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameKingston
Model nameKVR1333D3D4R9S/8G
Total capacity8 GB
Product type240-Pin DDR3 SDRAM
Performance
Rated speedDDR3 1333
Memory
CAS latencyCL9
ECC supportYes
Buffer typeRegistered
Power
Rated voltage1.5 V
Size & build
Shipping weight0.05 kg
Package size171 × 57 × 16 mm

Questions about this item

Will the 1.50 V registered DIMM run hotter or draw more power than unbuffered DDR3 during 24/7 server operation?

Registered modules add a register chip that slightly increases power draw, but at 1.50 V and DDR3 1333 speeds the thermal load remains comparable to standard DDR3; the on-board thermal sensor lets the platform throttle if temperatures rise.

Does my motherboard need to support registered ECC DDR3 and 240-pin slots to use this 8 GB module?

Yes — the module is a 240-pin DDR3 registered ECC DIMM, so the board must accept registered memory and provide ECC capability; consumer boards that only support unbuffered non-ECC DDR3 will not work.

Can I mix this dual-rank x4 registered ECC stick with older single-rank unbuffered DDR3 in the same system?

Mixing registered and unbuffered DIMMs is not supported; the memory controller requires all installed modules to be registered ECC with matching rank organisation for stable operation.

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