Product Details Module Name: PC4-25600AA-R Speed: 3200 MT/s Data Integrity Check: ECC Kit Storage Capacity: 256GB (8x32GB) Condition: Fully Tested, Refurbished Warranty: 1 Year Warranty Compatible with: Rackmounts: C4130 C6320 R430 R530 R630 R730 R730xd XL R630 XL R730 XL R440 R540 R640 R740 R840 R940 R740xd C6420 R650 R750 R750xa C6520 R6515 R7515 R6525 R7525 Towers: T430 T630 T440 T640 T7910 T5820 T5500  Blades: FC830 M830 M630 FC630 M640 FC640 FC430