We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Two green 240-pin DDR3 memory sticks in a pair

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3 1333 CL9 Kit - A69

SKU CH-29TN-P2YRH

An 8 GB DDR3-1333 kit in two 4 GB unbuffered DIMMs, validated for HP Pavilion P7-1174, P7-1154, P7-1148P and P7-1147C desktops

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL9
  • Memory timings9-9-9
  • Rated voltage1.5 V
  • Guaranteed compatibility with HP Pavilion P7-1174, P7-1154, P7-1148P, P7-1147C
  • 8 GB total capacity from two 4 GB modules for multitasking headroom
  • DDR3 1333 MHz speed with CL9 latency for responsive performance
  • 5 V unbuffered non-ECC design matches original system requirements
  • 240-pin DIMM form factor installs directly into desktop memory slots

HP Pavilion P7 series upgrade kit

This 8 GB kit contains two 4 GB DDR3 modules built for the HP Pavilion P7-1174, P7-1154, P7-1148P and P7-1147C desktops. The 240-pin DIMMs run at 1333 MHz with CL9 timings and 1.5 V. It is not for owners of other HP lines or for systems that require ECC or registered memory.

Low-voltage unbuffered operation

The modules are unbuffered non-ECC parts rated at 1.5 V, so they draw modest power and run quietly in the original chassis. No heat spreaders are fitted, leaving airflow unchanged. The dual-rank 2Rx8 organisation matches the factory specification for these Pavilion models.

Replaces factory 4 GB or 8 GB configurations

The kit fills two of the four available slots and supports the platform maximum of 16 GB. Buyers who want more storage or who need a second kit for a different motherboard should look elsewhere. The jump is worthwhile when the system currently runs with less than 8 GB and the workload benefits from extra capacity.

How it compares

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

Price $34.99
Cheaper than about 83% 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 $4.37 per GB
Cheaper than about 82% 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 nameCM5126410600DIMM
Total capacity8 GB (2 × 4 GB)
Product type240-Pin DDR3 SDRAM
Performance
Rated speedDDR3 1333 (PC3 10600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL9
Memory timings9-9-9
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsHp Pavilion P7-1174, P7-1154, P7-1148P, P7-1147C
In the box
Included items2 Memory RAM Sticks

Questions about this item

How do I install the 240-pin DDR3 modules in my HP Pavilion P7-1174 and which slot order avoids the common mistake?

Power off and unplug the tower. Open the case and locate the four 240-pin DDR3 slots. Insert each 4 GB stick vertically until the side clips click. The error most people make is populating slots one and three first; use the paired sockets labelled channel A then channel B for dual-channel operation.

What maintenance or replacement will the unbuffered non-ECC kit need over its lifetime?

No scheduled maintenance is required. Keep the interior dust-free so the 1.5 V modules stay cool; they have no heat spreaders. If a stick fails, the limited lifetime warranty from Computer Memory Solutions covers replacement. Beyond a defective module, nothing wears out that needs routine service.

At what point does the CL9 1333 MHz timing become the bottleneck during sustained workloads?

The 9-9-9 latency at 1333 MHz limits sustained bandwidth to the PC3-10600 ceiling. In long renders or heavy multitasking the memory controller hits that throughput wall before CPU or storage does, so frame-times or compile times stop improving even if other components are faster.

More in Model-Specific Memory Upgrades

Similar items