Quick google search show that 

• It will accept up to 16GB (2 × 8GB) 240-Pin DDR3 SDRAM 1333 (PC3 10600) RAM
• Does not support registered (buffered) modules. Using registered modules will result in the server failing to POST/boot. ('blue light').

Theres a big list of compatible ram you could use: https://n40l.fandom.com/wiki/Memory

If you want ECC ram, it looks like you need unbuffered. (https://www.compuram.biz/memory/hp-hpe/server/proliant/microserver/microserver-n40l/)

mokoshakalaka:

 

Quick google search show that 

 

• It will accept up to 16GB (2 × 8GB) 240-Pin DDR3 SDRAM 1333 (PC3 10600) RAM
• Does not support registered (buffered) modules. Using registered modules will result in the server failing to POST/boot. ('blue light').

Theres a big list of compatible ram you could use: https://n40l.fandom.com/wiki/Memory

 

If you want ECC ram, it looks like you need unbuffered. (https://www.compuram.biz/memory/hp-hpe/server/proliant/microserver/microserver-n40l/)

 

Looked around eBay and i couldn't find anything that wasn't $80 per stick

I purchased some 8GB PC3-12800E  ram on trademe a few months back that works fine.

A seller has some now for $40

https://www.trademe.co.nz/a/marketplace/computers/components/memory-ram/8gb/listing/3840263109?bof=AfTXaUrS

Probably worth a punt.

prob:

 

I purchased some 8GB PC3-12800E  ram on trademe a few months back that works fine.

 

A seller has some now for $40

 

https://www.trademe.co.nz/a/marketplace/computers/components/memory-ram/8gb/listing/3840263109?bof=AfTXaUrS

 

 

 

Probably worth a punt.

 

 

 

did you also use it in a hp microserver

yes. actually brought just one stick so now have 12 gig ram in total