The HP/Compaq NetServer LH 4r 500/550 uses EDO DIMM ECC memory upgrades as listed in the detailed specifications below. All memory and other upgrades compatible with this system are listed on this page.

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Memory Type EDO DIMM ECC
Base Memory 256MB (Removable)
Upgrade Slots 16 Sockets (4 banks of 4)
Maximum Memory 2GB with current Quantum Technology products 3.9GB with 1GB kits
Maximum Module Size
CPU & Chipset Intel Pentium III Xeon 500 MHz Intel Pentium III Xeon 550 MHz
Bus Architecture ISA; PCI
Manufacturer Part Numbers
  • D8561A
Part Number 2E.2EC3-4
168pin CL3 ECC
In Stock
$619.99
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Part Number 2E.2EC3-4H
168pin CL3 ECC
In Stock
$999.99
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Part Number 2E.2EC3-4
168pin CL3 ECC
In Stock
$619.99
View Product
Part Number 2E.2EC3-4H
168pin CL3 ECC
In Stock
$999.99
View Product

Upgrade References

The table below are references to other manufacturer part numbers which are specific to this device, have identical specifications to our components. This information is made available for your reference.
Part# Source References
KTH6112/256 256MB Kit of 4 64MB EDO ECC Buffered DIMM Kingston 2E/64mEBC3-4
KTH6112/1024 1GB Kit of 4 256MB EDO ECC DIMM Kingston 2E.2EC3-4