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Two green DDR3 desktop memory modules with gold contacts and black chips

Simmtec, Inc

Simmtec, Inc 8GB (2x4GB) DDR3-1066 PC3-8500 2Rx8 240-Pin 1.5V UDIMM desktop RAM

SKU CH-4NP5-3HA9K

An 8 GB dual-channel DDR3 kit running at 1066 MHz with 1.5 V unbuffered 240-pin modules

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1066 (PC3 8500)
  • 8GB dual-channel kit speeds up multitasking with 1066 MT/s DDR3 bandwidth
  • PC3-8500 rating delivers reliable throughput for everyday desktop workloads
  • 2Rx8 organisation improves memory controller efficiency during heavy data access
  • 5 V operation keeps power draw low and thermals manageable
  • 240-pin unbuffered non-ECC UDIMM drops straight into standard desktop DIMM slots

DDR3-1066 desktop kit

This 8 GB kit contains two 4 GB unbuffered UDIMM modules rated for DDR3-1066 operation. It is intended for desktop systems that require PC3-8500 memory running at 1.5 V. Builders upgrading older platforms or replacing failed sticks will find the dual-channel pair convenient. It is not for buyers who need higher speeds or larger capacities.

Thermals and power draw

Each module operates at the standard 1.5 V DDR3 voltage, so power draw stays within JEDEC limits for this speed grade. The unbuffered design adds no extra active components that would increase heat output. Under normal desktop loads the modules run cool enough for standard case airflow. No acoustic noise is produced because the parts have no moving elements.

Bundled value

The two-module pack enables dual-channel bandwidth without the buyer sourcing a second stick separately. MemoryMasters branding indicates the use of major-brand DRAM chips such as Micron, Samsung, Hynix or Elpida. Lifetime replacement coverage and free technical support are included by the manufacturer. No additional software, heat spreaders or accessories are supplied.

How it compares

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

Price $38.99
Cheaper than about 73% of the 3,647 comparable items (median $90.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 60% of the 3,251 comparable items (median 16 GB).
Price per GB $4.87 per GB
Cheaper than about 74% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Total capacity8 GB (2 × 4 GB)
Performance
Rated speedDDR3 1066 (PC3 8500)

Questions about this item

How do I install the 240-pin DDR3 UDIMM modules and which step is often missed?

Align the notch on each 240-pin module with the slot key, press straight down until both side clips snap shut, then verify the system detects the full 8 GB at 1066 MHz in BIOS.

What maintenance or replacement will the DDR3 kit need over time?

No routine maintenance is required; if a module fails the lifetime replacement warranty covers a direct swap for an identical DDR3-1066 UDIMM.

What limit appears first when the DDR3-1066 modules run under sustained load?

The 1066 MHz data rate and 1.5 V operating voltage set the ceiling; bandwidth and thermal headroom plateau at the JEDEC PC3-8500 rating.

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