Result: OptiPlex 990 Ultra Small Form Factor

Specifications

Processor : Intel Core i3, Intel Core i5 or Intel Core i7
Memory Installed : 1GB (Removable)
Max. Memory : 4GB with 32-Bit Operating system. 8GB with 64-bit Operating System
Expansion : 2 Sockets
Type : Desktop PC
Configuration Notes : MODULES MUST BE ORDERED AND INSTALLED IN PAIRS for Dual Channel mode.

If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation). Maximum configurations require a 64-bit operating system.
Description Comparable OEM Part # Axiom Part Number
DDR3-1333 Non-ECC UDIMM 1.5v
2GB Single Rank x8 Module A2507433, A2578594, A3013712, A3132537, A3132538, A3132540, A3132544, A3414621, A3544261, A3544263, A3583289, A3708119, A3944749, A4051419, A4892830, A5039669, A5039696, A5185926 A2578594-AX
4GB Dual Rank x8 Module A2507437, A2578593, A2585453, A3013701, A3132536, A3132539, A3132542, A3132545, A3140106, A3414608, A3583290, A3698384, A3698577, A3708120, A3944748, A4838161, A4838318, A4849714, A4849744, A4849745, A4892831, A4959178, A5039651, A5185897, A5185900, A5185913 A3132542-AX
Description Comparable OEM Part # Axiom Part Number
2.5" SATA 6Gb/s Mobile Bare Drive 7mm 5400rpm
1TB 2.5-inch SATA 6.0Gb/s N/A AXHD1TB5427A32M
2TB 2.5-inch SATA 6.0GB/s N/A AXHD2TB5427A32M
2.5" SATA 6Gb/s Mobile Bare Drive 7mm 7200rpm
1TB SATA 6Gb/s 7.2K Hard Drive N/A AXHD1TB7227A32M
C565e Series 2.5" Mobile SSD - Fastest Speed, OPAL encryption
240GB C565e Series Mobile SSD N/A SSD2558HX240-AX
480GB C565e Series Mobile SSD N/A SSD2558HX480-AX
500GB C565e Series Mobile SSD N/A SSD2558HX500-AX
960GB C565e Series Mobile SSD N/A SSD2558HX960-AX
1.92TB C565e Series Mobile SSD N/A SSD2558HX1T9-AX
3.84TB C565e Series Mobile SSD N/A SSD2558HX3T8-AX
Mini USB-C 3.1 Gen2 External Portable SSD
250GB USB-C 3.1 External Portable SSD N/A USBC31M2250-AX
2.5" USB-C 3.1 Gen2 External Portable SSD
250GB USB-C 3.1 External Portable SSD N/A USBC31SSD6E250-AX
500GB USB-C 3.1 External Portable SSD N/A USBC31SSD6E500-AX
1TB USB-C 3.1 External Portable SSD N/A USBC31SSD6E1TB-AX
2TB USB-C 3.1 External Portable SSD N/A USBC31SSD6E2TB-AX
2.5" USB-C 3.1 External Portable SATA 7.2K
1TB USB-C 3.1 External Portable Hard Drive N/A USBC31HD2571TB-AX
2.5" USB-C 3.1 External Portable SATA 5.4K
2TB USB-C 3.1 External Portable Hard Drive N/A USBC31HD2552TB-AX
C550n Series Mobile SSD - Best Value, High Capacity
250GB C550n Series Mobile SSD N/A SSD2558X250-AX
500GB C550n Series Mobile SSD N/A SSD2558X500-AX
1TB C550n Series Mobile SSD N/A SSD2558X1TB-AX
2TB C550n Series Mobile SSD N/A SSD2558X2TB-AX
Description Comparable OEM Part # Axiom Part Number
DDR3-1333 Non-ECC UDIMM 1.5v
2GB Single Rank x8 Module A2507433, A2578594, A3013712, A3132537, A3132538, A3132540, A3132544, A3414621, A3544261, A3544263, A3583289, A3708119, A3944749, A4051419, A4892830, A5039669, A5039696, A5185926 A2578594-AX
4GB Dual Rank x8 Module A2507437, A2578593, A2585453, A3013701, A3132536, A3132539, A3132542, A3132545, A3140106, A3414608, A3583290, A3698384, A3698577, A3708120, A3944748, A4838161, A4838318, A4849714, A4849744, A4849745, A4892831, A4959178, A5039651, A5185897, A5185900, A5185913 A3132542-AX
Description Comparable OEM Part # Axiom Part Number
2.5" SATA 6Gb/s Mobile Bare Drive 7mm 5400rpm
1TB 2.5-inch SATA 6.0Gb/s N/A AXHD1TB5427A32M
2TB 2.5-inch SATA 6.0GB/s N/A AXHD2TB5427A32M
2.5" SATA 6Gb/s Mobile Bare Drive 7mm 7200rpm
1TB SATA 6Gb/s 7.2K Hard Drive N/A AXHD1TB7227A32M
C565e Series 2.5" Mobile SSD - Fastest Speed, OPAL encryption
240GB C565e Series Mobile SSD N/A SSD2558HX240-AX
480GB C565e Series Mobile SSD N/A SSD2558HX480-AX
500GB C565e Series Mobile SSD N/A SSD2558HX500-AX
960GB C565e Series Mobile SSD N/A SSD2558HX960-AX
1.92TB C565e Series Mobile SSD N/A SSD2558HX1T9-AX
3.84TB C565e Series Mobile SSD N/A SSD2558HX3T8-AX
Mini USB-C 3.1 Gen2 External Portable SSD
250GB USB-C 3.1 External Portable SSD N/A USBC31M2250-AX
2.5" USB-C 3.1 Gen2 External Portable SSD
250GB USB-C 3.1 External Portable SSD N/A USBC31SSD6E250-AX
500GB USB-C 3.1 External Portable SSD N/A USBC31SSD6E500-AX
1TB USB-C 3.1 External Portable SSD N/A USBC31SSD6E1TB-AX
2TB USB-C 3.1 External Portable SSD N/A USBC31SSD6E2TB-AX
2.5" USB-C 3.1 External Portable SATA 7.2K
1TB USB-C 3.1 External Portable Hard Drive N/A USBC31HD2571TB-AX
2.5" USB-C 3.1 External Portable SATA 5.4K
2TB USB-C 3.1 External Portable Hard Drive N/A USBC31HD2552TB-AX
C550n Series Mobile SSD - Best Value, High Capacity
250GB C550n Series Mobile SSD N/A SSD2558X250-AX
500GB C550n Series Mobile SSD N/A SSD2558X500-AX
1TB C550n Series Mobile SSD N/A SSD2558X1TB-AX
2TB C550n Series Mobile SSD N/A SSD2558X2TB-AX