PC2-5300E DDR2-667 ECC Unbuffered or PC2-6400E DDR2-800 ECC Unbuffered RAM DIMMs
PC2-5300E DDR2-667 ECC Unbuffered or PC2-6400E DDR2-800 ECC Unbuffered RAM DIMMsPC2-5300E DDR2-667 ECC Unbuffered or PC2-6400E DDR2-800 ECC Unbuffered RAM DIMMs
PC2-5300E DDR2-667 ECC Unbuffered or PC2-6400E DDR2-800 ECC Unbuffered RAM DIMMs
Only Error Checking and Correcting unbuffered DDR2 DIMMs are supported and must be either x8 or x16 width. Memory upgrades
are accomplished by adding DIMMs of the same or varied sizes. The Intel chipset supports both PC2-5300 DDR2-667 and the PC2-
6400E DDR2-800 ECC unbuffered memory. It is suggested to not mix ECC and non-ECC memory.
For best performance the total amount and type of memory loaded into Channel A and Channel B should be the same. If it is not,
your computer will see all the RAM installed but will run the memory controller at a lower performance mode. Although not required,
for best performance add the memory in pairs rather than as a single DIMM (two 512 MB DIMMs will have better performance than
a single 1 GB DIMM). Also, add the memory into both channels (e.g. one in socket 1 and one in socket 3) to take advantage of dual
channel performance. If you have unused slots within a channel, make them socket 2 and socket 4. This provides the best margin for
the memory bus. If you are only using 1 DIMM, install it in socket 1.
MAXIMUM MEMORY
MAXIMUM MEMORYMAXIMUM MEMORY
MAXIMUM MEMORY
Supports up to 8 GB DDR2-667 or DDR2-800 ECC unbuffered memory
POSSIBLE MEMORY CONFIGURATIONS
POSSIBLE MEMORY CONFIGURATIONSPOSSIBLE MEMORY CONFIGURATIONS
POSSIBLE MEMORY CONFIGURATIONS
Not all memory configurations possible are represented below. Please install memory in pairs. Configurations using three DIMMs are
not supported by HP.
DIMM Size
DIMM SizeDIMM Size
DIMM Size
Slot
SlotSlot
Slot
1
11
1 2
22
2 3
33
3 4
44
4
512 MB
(single channel performance configuration)
512 MB
1 GB
512 MB 512 MB
2 GB 1 GB 1 GB
2 GB
512 MB 512 MB 512 MB 512 MB
4 GB 1 GB 1 GB 1 GB 1 GB
4 GB 2 GB 2 GB
6 GB 1 GB 2 GB 1 GB 2 GB
8 GB 2 GB 2 GB 2 GB 2 GB
QuickSpecs
HP xw4600 Workstation
HP xw4600 WorkstationHP xw4600 Workstation
HP xw4600 Workstation
Memory
DA - 12792 North America — Version 19 — September 12, 2008
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