Hot-Swap Disk Drive Compatible with the Dell PowerEdge Servers. Style A, to left, used in the PowerEdge 1500/2300/2400/2450/2500/2550/4300/4350/4400/4600/6300, 63506400/6450/8450 series; PowerVault Storage Enclosure 200/201/210/211/750 Style B, to left, used in the PowerEdge 1600 /2600/2650/2800/2850/6600/6650 and PowerVault systems: 220s/755N/770/775 Style also available for the PowerEdge 1550, 1650 and 1750 which look like the sytle B but a bit different rail. 146 GB 10,000RPM Hot-Swap Disk Drive for Dell PowerEdge Servers $692.40 73 GB 10,000RPM Hot-Swap Disk Drive for Dell PowerEdge Servers $319.45 73 GB 15,000RPM Hot-Swap Disk Drive for Dell PowerEdge Servers $847.75 36 GB 15,000RPM Hot-Swap Disk Drive for Dell PowerEdge Servers $319.45 36 GB 10,000RPM Hot-Swap Disk Drive for Dell PowerEdge Servers $378.45 18 GB 15,000RPM Hot-Swap Disk Drive for Dell PowerEdge Servers $357.40 PowerEdge 300GB $1,029.00 PowerEdge 146GB 15K $995.00 300 GB 10,000 RPM Hot-Swap Disk Drive for Dell PowerEdge PowerVault $866.45 146 GB 10,000 RPM Hot-Swap Disk Drive for Dell PowerEdge PowerVault $592.40 73 GB 10,000 RPM Hot-Swap Disk Drive for Dell PowerEdge PowerVault $587.45