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Two green 240-pin DDR2 FB-DIMM modules with silver heat spreaders

HP Refurbished

HP 397415-B21 8GB DDR2 667MHz Fully Buffered server RAM

SKU CH-PD2H-SWN6N MPN 397415-B21

Refurbished 8 GB DDR2 fully buffered kit with two 4 GB modules running at 667 MHz for compatible HP ProLiant servers

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR2 667 (PC2 5300)
  • CAS latencyCL5
  • Buffer typeFully Buffered
  • Product type240-Pin DDR2 SDRAM
  • 8 GB total capacity with two 4 GB modules
  • Fully Buffered DDR2 signal processing for server stability
  • 667 MHz DDR2 speed rated PC2-5300
  • 240-pin DDR2 form factor fits compatible HP ProLiant servers
  • Tested compatibility with ML370 G5, BL460c, BL480c and DL360 G5

HP 8GB DDR2 Fully Buffered Kit

This refurbished HP 397415-B21 kit provides 8GB of DDR2 memory across two 4GB modules for compatible ProLiant servers. It targets administrators maintaining legacy systems that require fully buffered DIMMs.

240-Pin Registered Design

The 240-pin DDR2 SDRAM modules use fully buffered signal processing to reduce electrical load on the server memory bus. Registered operation adds a clock cycle but improves stability in multi-module configurations typical of the listed ProLiant models.

DDR2-667 PC2-5300 Limits

The DDR2-667 standard caps bandwidth at the PC2-5300 rate and the CL5 latency is fixed by the module design. Systems needing higher throughput or lower latency must move to a newer memory generation not supported by these platforms.

How it compares

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

Price $50.99
Cheaper than about 84% of the 6,523 comparable items (median $188.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 80% of the 6,064 comparable items (median 32 GB).
Price per GB $6.37 per GB
Cheaper than about 60% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameHP
Model name397415-B21
Total capacity8 GB (2 × 4 GB)
Product type240-Pin DDR2 SDRAM
Performance
Rated speedDDR2 667 (PC2 5300)
Memory
CAS latencyCL5
Buffer typeFully Buffered
Size & build
Shipping weight0.91 kg
Package size254 × 203 × 152 mm

Questions about this item

What bandwidth does the DDR2-667 PC2-5300 interface deliver?

The DDR2-667 standard (PC2-5300) provides a peak transfer rate of 5300 MB/s per module.

Will these 240-pin DIMMs fit a standard server board?

Yes, they use the 240-pin DDR2 form factor and are fully buffered, so the motherboard must support FB-DIMM slots.

How are the two 4 GB modules installed and what is the common mistake?

Insert both modules into matched channel slots (usually same-coloured banks) and press until the clips lock; the error is populating mismatched banks.

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