HP 840 G1 manual Category Description HP ZBook EliteBook 840 850, Primary storage

Category	Description		HP	HP ZBook	HP
			EliteBook		EliteBook
			840	14	850
	Two customer-accessible/upgradable memory module slots			√
	with the following specifications:
	DDR3L-1600-MHz dual channel support
	Supports 16384-MB of system RAM in the
	following configurations:
	●	16384-MB (8192-MB×2)
	● 8192-MB (8192-MB×1 or 4096×2)
	● 8192-MB (8192-MB×1 or 4096×2; not supported on
		computer models equipped with a 32-bit
		operating system)
	● 4096-MB (4096-MB×1 or 2048-MB×2)
Primary storage	Supports 6.35-cm (2.5-in) hard drives in 9.5-mm (.37-in) and		√	√	√
	7.0-mm (.28-in) thicknesses (all hard drives use the
	same bracket)
	Customer-accessible
	Supports the following hard drives:		√		√
	●	1-TB, 5400-rpm
	● 500-GB, 7200-rpm, self-encrypting drive (SED)
	●	500-GB, 7200-rpm
	● 500-GB, 5400-rpm, self-encrypting drive (SED,
		FIPS-140-2)
	●	500-GB, 5400-rpm
	●	320-GB, 7200-rpm
	●	320-GB, 5400-rpm

Supports the following SSDs:

●256-GB SATA III, SED

●240-GB, SATA III

●180-GB, SATA III

●128-GB

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