Part Number(s) Option Part# 413015-B21 (2 x 8GB kit) Spare Part# 416474-001 (1 x 8GB - 2 per kit)
Note: Our Part# 413015-B21 is guaranteed genuine HP product with a HP serial number and logo. We do not sell 3rd party HP memory.
Overview: When upgrading memory DIMMs 1A and 3A must match. DIMMs 5B and 7B DIMMs 2C and 4C and DIMMs 6D and 8D must match and must be installed as a pair. When DIMMs 1A and 3A are populated the system is automatically configured for 2:1 interleaving. When all 4 banks are populated the system is automatically configured for 4:1 interleaving. When four six or eight DIMMs are populated with identical DIMMs the system is automatically configured for bank interleaving