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Two green DDR3 DIMM sticks in anti-static bag

Computer Memory Solutions

Computer Memory Solutions CM5126412800DIMMHDR 8GB DDR3 1600 memory upgrade

SKU CH-XQ2D-01MF9

8GB dual-channel DDR3-1600 kit (2×4GB, CL11, 1.5V) validated for HP Pavilion p7-1436S, p7-1439, p7-1446S and p7-1447C desktops

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1600 (PC3 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.5 V
  • 8GB dual-channel kit boosts multitasking with two matched 4GB modules
  • DDR3 1600 speed delivers 12800 MT/s bandwidth for responsive desktop performance
  • CL11 11-11-11 timings at 1.5V ensure stable operation in supported HP Pavilion systems
  • Unbuffered non-ECC 240-pin DIMMs install directly into available memory slots
  • Guaranteed compatibility with listed HP Pavilion P7 models including 1436S 1439 1446S 1447C

Compatible HP Pavilion Memory Kit

This 8 GB kit contains two 4 GB DDR3 DIMMs validated for HP Pavilion desktops including the P7-1436S, P7-1439, P7-1446S and P7-1447C. The modules are 240-pin unbuffered non-ECC parts rated at 1600 MHz with CL11 timings. They install in pairs to enable dual-channel operation on supported systems. The kit is new and carries a limited lifetime warranty from Computer Memory Solutions.

Suits owners of listed Pavilion models

Builders upgrading an HP Pavilion from the compatible series will gain the full 8 GB capacity when running a 64-bit operating system. A 32-bit OS limits usable memory to 4 GB. Systems requiring ECC or registered memory cannot use this kit. Buyers needing more than 8 GB or a different DDR generation should look elsewhere.

1600 MHz DDR3 speed rating

The modules operate at DDR3-1600 (PC3-12800) with 1.5 V supply voltage. HP documentation notes the platform specifies DDR3-1333 (PC3-10600), so the memory may run at the lower speed depending on system configuration. This speed grade is the single specification that determines whether the kit matches the motherboard's supported memory standard.

How it compares

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

Price $22.99
Cheaper than about 89% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $2.87 per GB
Cheaper than about 90% of the 20,941 comparable items (median $8.19 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 nameComputer Memory Solutions
Model nameCM5126412800DIMMHDR
Total capacity8 GB (2 × 4 GB)
Product type240-Pin DDR3 SDRAM
Performance
Rated speedDDR3 1600 (PC3 12800)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL11
Memory timings11-11-11
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsHp Pavilion P7-1436S, P7-1439, P7-1446S, P7-1447C
In the box
Included items2 Memory RAM Sticks

Questions about this item

Does the 1.5V DDR3 1600 kit add noticeable heat or power draw when the HP Pavilion runs all day?

The modules run at standard 1.5 V DDR3 voltage with no heat spreader, so they add minimal extra heat or power draw during continuous use.

What must the HP Pavilion already have — CPU, chipset and OS — for the 2 x 4 GB kit to be recognised and run in dual-channel?

A 64-bit operating system and a motherboard that supports DDR3-1333 PC3-10600; the system will clock the 1600 MHz modules down to 1333 MHz automatically.

If I keep the original 4 GB sticks in the other two slots of my p7-1010, will the 8 GB kit work alongside them without errors?

Yes — modules may be installed one at a time, but for dual-channel they must be added in matched pairs; mixing capacities is supported though total usable memory may be limited to 3.5 GB with a 32-bit OS.

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