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Green circuit board with gold contacts and black memory chips

OWC

OWC 4GB DDR3 1600 PC3-12800 CL11 1Rx8 240-pin 1.5V HP ProDesk 400 G1 G2 405 490 Tower SFF memory upgrade

SKU CH-BJ8G-F6P8M

A 4 GB DDR3 1600 module for HP ProDesk 400 G1, 400 G2, 405 G1 and 490 G1 towers

  • Capacity4GB
  • Type240-Pin DDR3 Non-ECC UDIMM
  • SpeedDDR3 1600 (PC3 12800)
  • CAS LatencyCL11
  • Voltage1.5V
  • ECCNo
  • Boosts PC responsiveness with 4GB DDR3 1600 memory
  • JEDEC-standard 1.5V module ensures warranty-safe upgrade
  • CL11 timing optimises multitasking across HP ProDesk towers
  • Single 1Rx8 rank 240-pin DIMM simplifies DIY installation
  • Tested to exceed OEM specs for HP ProDesk 400 G1 G2 405 490

HP ProDesk DDR3 Upgrade

This OWC module adds 4 GB of DDR3 1600 memory to compatible HP ProDesk 400 G1 SFF, 400 G1 Tower, 400 G2 Tower, 405 G1 Tower and 490 G1 Tower systems. It is a 240-pin non-ECC unbuffered DIMM rated at 1.5 V with CL11 latency. The single-rank 1Rx8 design installs in a standard desktop DIMM slot.

Office and home PC owners

The upgrade suits users who want a straightforward capacity increase for everyday multitasking on the listed ProDesk models. Buyers whose systems require ECC, registered DIMMs or a different pin count cannot use this module. Those needing more than 4 GB per slot should consider higher-capacity alternatives.

DDR3 1600 CL11 1.5 V specification

The decisive specification is the DDR3 1600 (PC3-12800) CL11 1.5 V unbuffered non-ECC standard. Only systems designed for this exact voltage, speed and timing will operate correctly with the module. Verifying the motherboard supports DDR3 1600 at 1.5 V ensures compatibility.

Helstu kostir

  • Boosts PC responsiveness with 4GB DDR3 1600 memory
  • JEDEC-standard 1.5V module ensures warranty-safe upgrade
  • CL11 timing optimises multitasking across HP ProDesk towers
  • Single 1Rx8 rank 240-pin DIMM simplifies DIY installation
  • Tested to exceed OEM specs for HP ProDesk 400 G1 G2 405 490

Tæknilýsing

BrandOWC
Part Number1U6D31R804GB
Capacity4GB
Type240-Pin DDR3 Non-ECC UDIMM
SpeedDDR3 1600 (PC3 12800)
CAS LatencyCL11
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemHP ProDesk 400 G1 SFF
HP ProDesk 400 G1 Tower
HP ProDesk 400 G2 Tower
HP ProDesk 405 G1 Tower
HP ProDesk 490 G1 Tower

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What real-world difference will 1600 MHz DDR3 make in my ProDesk?

The 1600 MHz DDR3 module runs at PC3-12800 with CL11 latency, so the system can move data between CPU and memory at the full JEDEC-rated throughput for this platform, improving multitasking and large-file handling.

Does the 240-pin DDR3 interface limit the speed or capacity I can use?

The 240-pin DDR3 UDIMM slot caps the bus at the module's rated 1600 MHz and 1.5 V; the board cannot run faster DDR3 or any later generation, and each slot accepts one unbuffered non-ECC DIMM.

Will this stick fit the small-form-factor ProDesk 400 G1 SFF?

Yes, the standard-height 240-pin DIMM is the exact form factor used in the ProDesk 400 G1 SFF, 400 G1 Tower, 400 G2 Tower, 405 G1 Tower and 490 G1 Tower.

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