HP 550 manual Hard drives, Optical drives

Category	Description		Computer models	Computer models
			equipped with	equipped with
			GLE960 system	GME965 system
			board	board
	Supports the following configurations in all countries		√	√
	and regions except Brazil:
	● 4096-MB total system memory (2048 × 2, dual-
		channel)
	● 3072-MB total system memory (2048 + 1024)
	● 2560-MB total system memory (2048 + 512)
	● 2048-MB total system memory (1024 × 2, dual-
		channel)
	● 2048-MB total system memory (2048 × 1)
	● 1536-MB total system memory (1024 + 512)
	● 1024-MB total system memory (512 × 2, dual-
		channel)
	● 1024-MB total system memory (1024 × 1)
	● 512-MB total system memory (512 × 1)
	Supports the following configurations only in Brazil:		√	√
	● 2048-MB total system memory (2048 × 1)
	● 2048-MB total system memory (1024 × 2, dual-
		channel)
	● 1024-MB total system memory (1024 × 1)
	● 1024-MB total system memory (512 × 2, dual-
		channel)
	● 512-MB total system memory (512 × 1)
Hard drives	Supports 9.5-mm, 2.5-inch hard drives		√	√
	Customer-accessible		√	√
	Serial ATA		√	√
	Supports the following drives:		√	√
	●	250-GB, 5400-rpm
	●	160-GB, 5400-rpm
	●	120-GB, 5400-rpm
	HP DriveGuard		√	√
Optical drives	Fixed (removal of 1 screw required)		√	√
	Customer-accessible		√	√
	12.7-mm tray load		√	√
	Supports the “no optical drive” option		√	√

2 Chapter 1 Product description