HP Complete Overview of 417836-B21 and BBWC Software for Enhanced Performance

Specification	E500	P411	P421
RAID levels**	RAID 0, 1, 1+0, and 5	RAID 0, 1, 1+0, 5, 50, 6, and	RAID 0, 1, 1 (ADM), 1+0, 10
		60	(ADM), 5, 50, 6, and 60
Battery kit option part	Battery pack 383280-B21;	462969-B21	—
number	battery cable 417836-B21
Cache module	40-bit wide, 256-MiB BBWC	40-bit wide, 256-MiB BBWC	72-bit wide, 1-GiB FBWC
		72-bit wide, 512-MiB BBWC	72-bit wide, 2-GiB FBWC
		72-bit wide, 1-GiB FBWC
I/O connection to the	PCIe x8 edge connector	PCIe 2.0 x8 edge connector	PCIe 3.0 x8 edge connector
system board

*These dimensions exclude the board bracket.

**RAID levels 5 and 50 require an installed cache module. RAID levels 1 (ADM), 10 (ADM), 6, and 60 require an installed cache module and SAAP. To download SAAP, see the HP website (http://www.hp.com/go/SAAP).

P400, P410, and P420 specifications

Specification	P400	P410	P420
Board type	Low-profile, PCIe stand-up	Low-profile, PCIe stand-up	Low-profile, PCIe stand-up
	board	board	board
Dimensions, cm*	16.8 x 7.0 x 1.8	16.8 x 7.0 x 1.8	16.8 x 6.9 x 1.7
Dimensions, in*	6.6 x 2.8 x 0.7	6.6 x 2.8 x 0.7	6.6 x 2.7 x 0.6
Maximum number of	8 external	Without cache, 8 internal	27 internal
physical drives		With cache, 8 internal or up
		to 24 internal with an
		expander card
Maximum power required	14 W	12 W	14 W
(approximate)
RAID levels**	RAID 0, 1, 1+0, 5, and 6	RAID 0, 1, 1+0, 5, 50, 6, and	RAID 0, 1, 1 (ADM), 1+0,10
		60	(ADM), 5, 50, 6, and 60
Battery kit option part	Battery pack 390936-001;	462969-B21	—
number	battery cable 399034-001
Cache module	40-bit wide, 256-MiB BBWC	40-bit wide, 256-MiB BBWC	72-bit wide, 1-GiB FBWC
		72-bit wide, 512-MiB BBWC	72-bit wide, 2-GiB FBWC
		72-bit wide, 1-GiB FBWC
I/O connection to the	PCIe x8 edge connector	PCIe 2.0 x8 edge connector	PCIe 3.0 x8 edge connector
system board

*These dimensions exclude the board bracket.

**RAID levels 5 and 50 require an installed cache module. RAID levels 1 (ADM), 10 (ADM), 6, and 60 require an installed cache module and SAAP. To download SAAP, see the HP website (http://www.hp.com/go/SAAP).

P212 and P222 specifications

Specification	P212	P222
Board type	Low-profile, PCIe stand-up board	Low-profile, PCIe stand-up board
Dimensions, cm*	16.8 x 7.0 x 1.8	16.8 x 6.9 x 1.7
Dimensions, in*	6.6 x 2.8 x 0.7	6.6 x 2.7 x 0.6
Maximum number of	Without cache: 4 internal + 1 tape	114 (14 internal + 100 external)
physical drives	external
	With cache: 4 internal + 50 external
		Specifications 34