Hardware options installation 66
Description Definition
1
Capacity 4 GB
8 GB
16 GB
32 GB
2
2R = Dual-rank
4R = Quad-rank
3
Data width x4 = 4-bit
x8 = 8-bit
4
Memory generation DDR4
5
speed
6
CAS latency P=15
7
DIMM type R = RDIMM (registered)
L = LRDIMM (load reduced)
For more information about product features, specifications, options, configurations, and compatibility, see
the product QuickSpecs on the HP website (http://www.hp.com/go/qs).
Memory configurations
To optimize server availability, the server supports the following AMP modes:
• Advanced ECC—Provides up to 4-bit error correction and enhanced performance over Lockstep mode.
This mode is the default option for this server.
• Online spare memory—Provides protection against failing or degraded DIMMs. Certain memory is
reserved as spare, and automatic failover to spare memory occurs when the system detects a DIMM that
is degrading. This allows DIMMs that have a higher probability of receiving an uncorrectable memory
error (which would result in system downtime) to be removed from operation.
Advanced Memory Protection options are configured in the BIOS/Platform Configuration (RBSU). If the
requested AMP mode is not supported by the installed DIMM configuration, the server boots in Advanced
ECC mode. For more information, see the HP UEFI System Utilities User Guide for HP ProLiant Gen9 Servers
on the HP website (http://www.hp.com/go/ProLiantUEFI/docs).
Maximum capacity
DIMM type DIMM rank One processor
RDIMM
Single-rank (4 GB) 32 GB
RDIMM
Single-rank (8 GB) 64GB
RDIMM
Dual-rank (8 GB) 64 GB
RDIMM
Dual-rank (16 GB) 128 GB
LRDIMM
Dual-rank (16 GB) 128 GB
RDIMM
Dual-rank (32 GB) 256 GB
For the latest memory configuration information, see the QuickSpecs on the HP website
(http://www.hp.com/go/qs).
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