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I have two DL180G6 servers, I used them with 2x2 GB RAM modules, now I'd like to upgrade the memory to 16 GB for each. I have spare 6x2 GB RAM modules per machine (parameters match for the existing ones), but when I populate the remaining slots (these slots were empty from the beginning), one of the RAMs seems to be missing - 2 GB is missing in total memory. The HP ProLiant DL380 G6 Server continues to deliver on its heritage of engineering excellence with increased flexibility. Only half the DIMM slots are available Up to 24GB, using PC3-10600E DDR3 Unbuffered (UDIMM) memory, operating at 1066MHz when fully. HP Insight Dynamics - VSE suite for ProLiant servers, a product option, is an. HP ProLiant DL380 G6 review 2. HP claims its ProLiant DL380 is the world's best-selling server, so the new sixth generation of its 2U rack system has an enviable tradition to live up to. The HP ProLiant DL380 G6 Server continues to deliver on its heritage of engineering excellence with increased flexibility and performance, enterprise-class uptime and manageability, 2-socket Intel Xeon performance, and 2U density for a variety of. Total of 18 DIMM slots Up to 192GB (16GB kits populating12 DIMM slots), using PC3-8500R DDR3. The HP ProLiant ML350 G6 is an affordable solution for growing businesses. This server supports a maximum of 18 DIMM slots of DDR3 registered memory. Optimize your HP ProLiant ML350 G6 tower and make it work for you in the most powerful way by upgrading with high quality memory!

Memory options

NOTE: Memory configurations listed do not apply to 'Factory Integrated Models'.

For detailed memory configuration rules and guidelines, please use the Online DDR3 Memory Configuration Tool:

Click here to access the 'HPE Server Memory Configurator'.

Some Dual In-line Memory Module (DIMM) installation guidelines are summarized below:

For servers with eighteen (18) memory slots:
- There are three (3) channels per processor; six (6) channels per server
- There are three (3) DIMM slots for each memory channel; eighteen (18) total slots
- Memory channel 1 consists of the three (3) DIMMs that are closest to the processor
- Memory channel 3 consists of the three (3) DIMMs that are furthest from the processor
DIMM slots that are white should be populated first
Do not mix Unbuffered memory (UDIMMs) with Registered memory (RDIMMs)
Do not install DIMMs if the corresponding processor is not installed
If only one processor is installed in a 2 CPU system, only half of the DIMM slots are available
To maximize performance, balance the total memory capacity between all installed processors
It is not required, but it is recommended to load the channels similarly if possible
User can only have up to eight (8) ranks installed per channel
When using quad-rank DIMMs, only 2 DIMMs can be installed per channel. The combinations are as follows: 2 quad-rank DIMMs,1 quad-rank DIMM + 1 dual-rank DIMM or 1 quad-rank DIMM + 1 single-rank DIMM
User can only install two quad-rank DIMMs per channel
User can only install two UDIMMs per channel; if available, the third slot in the channel must remain empty
Populate DIMMs from heaviest load (quad-rank) to lightest load (single-rank) within a channel
Heaviest load (DIMM with most ranks) within a channel goes furthest from the chipset
For memory mirroring mode, channel 3 must be unpopulated. Channels 1 and 2 are populated identically
For lock-step mode, channel 3 must be unpopulated. DIMMs in channels 1 and 2 will be installed in pairs. The paired slots will be1,4; 2,5; 3;6 on a 3DPC system or 1,4; 2,5; on a 2DPC system
Low Voltage DIMMs can only be used with Intel Xeon processor 5600 series processors
If mixing DIMM voltage is a requirement, please note that the DIMMs will run at 1.5 V since all 1.35 V are capable of supporting1.5 V operations

DIMM Type	Unbuffered with Error Correcting Code (ECC)DIMMs (UDIMMs)
SingleRank(1R)	Quad Rank (4R)			Dual Rank (2R)
4GB	4GB	8GB	4GB	32GB	2GB
DIMM Native Speed(MHz)	1333	1066	1333	1066	1333	1333
LV/Std	Std	LV/Std	Std	LV	Std
SLOTS THAT CAN BE POPULATED
18	18	18	12	12	12
MAXIMUM CAPACITY (GB)
36	144	288	192	12	48
1 DIMM Per Channel	1333	1066	1333	1066	1333	1333
1333*	1333	1333*	800	800	1333
3 DIMM Per Channel	800	800	800**	n/a	n/a	n/a

*2DPC: LV runs at 1066, Std voltage runs at 1333
**3DPC: LV/Std voltage runs at 800

NOTE:

Mixing DIMM speeds is allowed, but the system processor speed rules always override the DIMM capabilities
If user do mix DIMM speeds, the memory bus will default to the minimum clock rate of all DIMMs in the system - even if the slowerDIMM is on the other processor
If user install 1x 1066 MHz DIMM in channel 1 and 1x 1333 MHz DIMM in channel 2, user still run at 1066 MHz
If user install 1x 1066 MHz DIMM in channel 1 and 5x 1333 MHz DIMMs with 1 DIMM Per Channel (DPC) in each of the other channels,user run at 1066 MHz
If user install 3DPC in one channel (if applicable) and 1DPC in all other channels, user run at 800 MHz
References to the above MHz speeds are for the various speeds of DDR3 DIMMs; 1333 refers to DDR3-1333, etc.

DIMM slot and configuration diagrams

Basic memory slot & population diagram

Population order; start with 'A' first, 'B' second, 'C' third, etc.

Hp Proliant Dl380 G6 Dimm Slots