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Hynix 4GB PC3-12800U DDR3-1600 1RX8 Non-ECC UDIMM Memory HMT451U6AFR8C-PB
SK Hynix

Hynix 4GB PC3-12800U DDR3-1600 1RX8 Non-ECC UDIMM Memory HMT451U6AFR8C-PB

Bottom line: The SK Hynix Hynix 4GB PC3-12800U DDR3-1600 1RX8 Non-ECC UDIMM Memory: PC3-12800U DDR3-1600 speed for Sandy/Ivy Bridge era boards; main trade-off: 4GB per stick is small for modern multitasking.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ PC3-12800U DDR3-1600 speed for Sandy/Ivy Bridge era boards
  • ✓ Non-ECC UDIMM fits standard desktop DIMM slots
  • ✓ 1Rx8 single-rank layout eases 4-slot population

Cons

  • ✗ 4GB per stick is small for modern multitasking
  • ✗ DDR3 only, will not fit DDR4 or DDR5 boards
  • ✗ Non-ECC, so unsuitable for ECC-required workstations
  • ✗ Single stick, no dual-channel kit pairing included

Manufacturer description

Hynix 4GB PC3-12800U DDR3-1600 1RX8 Non-ECC UDIMM Memory HMT451U6AFR8C-PB

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SpecPicks Verdict

SpecPicks scored SK Hynix Hynix 4GB PC3-12800U DDR3-1600 1RX8 Non-ECC UDIMM Memory using a rating × review-volume × price-fit model applied to published specs and reviews across the memory & ram category. SK Hynix's memory & ram lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • HMT451U6AFR8C-PB

Full Specifications

BrandSK Hynix
Voltage1.5 volts
RAM Size4 GB
Model NameTrident
Form FactorDIMM
Memory Speed1600 mt_s
Model NumberHMT451U6AFR8C-PB
Number of Pins240
Mfr Part NumberHMT451U6AFR8C-PB
Memory GenerationDDR3
Compatible DevicesDesktop
Data Transfer Rate1600 megabytes_per_second
Memory Form FactorDIMM
Additional FeaturesLightweight
Computer Memory Size4 GB
RAM Memory TechnologyDDR3

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Hynix 4GB PC3-12800U DDR3-1600 1RX8 Non-ECC UDIMM Memory HMT451U6AFR8C-PB is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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Hynix 4GB PC3-12800U DDR3-1600 1RX8 Non-ECC UDIMM Memory HMT451U6AFR8C-PB
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