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Green printed circuit board with black memory chips, gold edge connector, 240 pins

SK hynix

SK hynix HMT351U6CFR8C-H9 16GB DDR3 1333MHz 240-pin UDIMM

SKU CH-0P0D-YD0TV MPN HMT351U6CFR8C-H9

A 16 GB DDR3 kit of four 4 GB UDIMMs running at 1333 MHz with CL9 latency and 240 pins

  • Total capacity16 GB
  • Rated speedDDR3 1333 (PC3 10600)
  • CAS latencyCL9
  • Buffer typeUnbuffered
  • 16 GB capacity for demanding workloads
  • 1333 MHz DDR3 speed for responsive performance
  • CL9 latency for quick data access
  • 240-pin UDIMM form factor fits standard desktop slots
  • Four 4 GB modules enable dual-channel operation

Kit Capacity and Purpose

This kit provides 16 GB of DDR3 memory across four 4 GB modules for desktop systems that use 240-pin UDIMM slots. It targets owners of older platforms who need to reach the maximum supported capacity without adding heat spreaders that could interfere with large CPU coolers.

DDR3-1333 Interface Limits

The modules run at 1333 MHz with CL9 timing under the PC3-10600 standard, so bandwidth is capped by that specification regardless of faster JEDEC profiles the silicon may support. Systems limited to DDR3-1333 will not benefit from higher-rated speeds, and the unbuffered non-ECC design prevents use in servers that require registered or error-correcting memory.

Plain Module Build and Daily Fit

Each stick lacks a heat spreader, keeping the profile low enough for tight clearances around oversized air coolers or compact cases. The standard 240-pin UDIMM form factor ensures direct insertion into consumer desktop boards, while the 2Rx8 organisation works with typical dual-channel controllers without special population rules.

How it compares

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

Price $71.99
Cheaper than about 56% of the 3,647 comparable items (median $90.99).
Total capacity 16 GB
Typical for this category: the median of 3,251 items is 16 GB.
Price per GB $4.50 per GB
Cheaper than about 79% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameHynix
Product lineDesktop Memory
Model nameHMT351U6CFR8C-H9
Total capacity16 GB
Performance
Rated speedDDR3 1333 (PC3 10600)
Memory
CAS latencyCL9
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo

Questions about this item

Should I choose the 16 GB kit or the single 4 GB module?

The 16 GB kit contains four matched 4 GB modules for quad-channel bandwidth, while the single module adds 4 GB to an existing bank.

What does the 1333 MHz rating deliver in a real desktop?

It provides DDR3-1333 transfer rates at CL9 latency, matching the PC3-10600 bandwidth ceiling for typical desktop workloads.

How does the 240-pin DDR3 interface limit performance?

The 240-pin UDIMM slot caps speed at DDR3-1600 (PC3-12800), so this kit runs at its rated 1333 MHz without headroom for higher clocks.

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