Table 1. Features and specifications
Microprocessor (not standard on System x3950 E models):
vIntel® Xeon™ MP
v1 MB (minimum)
v4 MB or 8 MB
v667 MHz
vSupport for up to four microprocessors
Note: Use the Configuration/Setup Utility program to determine the type and speed of the microprocessors.
Memory (not standard on System x3950 E models):
vMinimum: 2 GB depending on server model, expandable to 64 GB
vType: 333 MHz, registered, ECC,
SDRAM
vSizes: 1 GB, 2 GB, or 4 GB in pairs
vConnectors:
vMaximum: Four memory cards, each card containing two pairs of
Drives:
vSlim
vSerial Attached SCSI (SAS) hard disk drives
Expansion bays:
vSix SAS,
vOne
Expansion slots:
Six
Upgradeable microcode:
System BIOS, diagnostics, service processor, BMC, and SAS microcode
Power supply:
vStandard: Two
–1300 watts at 220 V ac input
–650 watts at 110 V ac input
v
Size:
v3U
vHeight: 128.35 mm (5.05 in.)
vDepth: 715 mm (28.15 in.)
vWidth: 440 mm (17.32 in.)
vWeight: approximately 38.5 kg (85 lb) when fully configured or 31.75 kg (70 lb) minimum
Integrated functions:
vBaseboard management controller
vIBM
vService processor support for Remote Supervisor Adapter II SlimLine
vLight path diagnostics
vThree Universal Serial Bus (USB) ports (2.0)
–Two on rear of server
–One on front of server
vBroadcom 5704C dual 10/100/1000 Gigabit Ethernet controllers
vATI
–16 MB video memory
–SVGA compatible
vMouse connector
vKeyboard connector
vSerial connector
vSMP Expansion Ports
Acoustical noise emissions:
vSound power, idle: 6.6 bel declared
vSound power, operating: 6.6 bel declared
Environment:
vAir temperature:
–Server on:
-10° to 35°C (50° to 95°F); altitude:
0 to 914 m (3000 ft). If the server has a
-10 to 32°C (50° to 90°F); altitude:
914 m to 2133 m (7000 ft).
–Server off: 10° to 43°C (50.0° to
109.4°F); maximum altitude: 2133 m (6998.0 ft)
vHumidity:
–Server on: 8% to 80%
–Server off: 8% to 80%
Heat output:
Approximate heat output in British thermal units (Btu) per hour:
vMinimum configuration: 1364 Btu (400 watts) per hour
vMaximum configuration: 5780 Btu (1700 watts) per hour
Electrical input:
v
vInput voltage low range:
–Minimum: 100 V ac
–Maximum: 127 V ac
vInput voltage high range:
–Minimum: 200 V ac
–Maximum: 240 V ac
vApproximate input
–Minimum: 0.40 kVA
–Maximum: 1.6 kVA
Scalability support:
Maximum configuration:
vEight nodes
v
v128 DIMMs
v48 SAS hard disk drives
v48
4IBM System x3950 Type 8878 and System x3950 E Type 8879: User’s Guide