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Description
Memory generation
4
Maximum memory
5
speed
CAS latency
6
DIMM type
7
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/uefi/docs).
Maximum capacity
DIMM type
RDIMM
RDIMM
LRDIMM
For the latest memory configuration information, see the QuickSpecs on the HP website
(http://www.hp.com).
Advanced ECC memory configuration
Advanced ECC memory is the default memory protection mode for this server. Standard ECC can correct
single-bit memory errors and detect multi-bit memory errors. When multi-bit errors are detected using
Standard ECC, the error is signaled to the server and causes the server to halt.
Advanced ECC protects the server against some multi-bit memory errors. Advanced ECC can correct both
single-bit memory errors and 4-bit memory errors if all failed bits are on the same DRAM device on the DIMM.
Advanced ECC provides additional protection over Standard ECC because it is possible to correct certain
memory errors that would otherwise be uncorrected and result in a server failure. Using HP Advanced
Memory Error Detection technology, the server provides notification when a DIMM is degrading and has a
higher probability of uncorrectable memory error.
Definition
DDR4
2133 MT/s
P=15
R = RDIMM (registered)
L = LRDIMM (load reduced)
DIMM rank
One processor
Single-rank (8 GB)
96 GB
Dual-rank (16 GB)
192 GB
Quad-rank (32 GB)
384 GB
Two processors
192 GB
384 GB
768 GB
Hardware options installation 40
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