Dell Precision WorkStation 650 Computer

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Dell Part #/MPN: PW650

DiscTech Item #: DEL-PW650-UP-2M

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Capacity: 80GB

Interface Types: SCSI 68pin HD68 Female, Ethernet RJ45, PCI, PCI-X, Parallel Printer DB25

On-Board Cache: 2GB

U Height: 8U



Microprocessor type

Intel® Xeon™

Level 1 (L1) cache

8 KB

Level 2 (L2) cache




PC2100 DDR

Memory connectors


Memory capacities

256-, 512-MB, and 1-GB non-ECC or ECC

Minimum memory

256 MB

Maximum memory

4 GB

BIOS address


Computer Information

Chip set

Intel E7505

Data bus width

64 bits

Address bus width

32 bits

DMA channels


Interrupt levels


BIOS chip


Memory speed

266 MHz DDR (PC 2100 DDR)


Gigabit integrated network interface with ASF support as defined by DMTF

Capable of 10/100/1000 communication

  • Green — A good connection exists between a 10-Mbps network and the computer.
  • Orange — A good connection exists between a 100-Mbps network and the computer.
  • Yellow — A good connection exists between a 1 Gb (or 1000-Mbps) connection.
  • Off — The computer is not detecting a physical connection to the network.

SCSI controller

Dell Precision 650 computer — Integrated U320 SCSI

Dell Precision 450 computer — Optional add-in U320 SCSI

FSB clock

400- or 533-MHz data rate



Dell Precision 650 computer — AGP Pro 110 at 8x/4x/2x/1x (1.5 V) or PCI

Dell Precision 450 computer — AGP Pro 50 at 8x/4x/2x/1x (1.5 V) or PCI



AC97, Sound Blaster emulation

Audio controller

Analog Devices Codec AD1981b

Stereo conversion

16-bit analog-to-digital; 20-bit digital-to-analog

Expansion Bus

Bus type

Dual PCI-X 1.0 (3.3 V only), PCI 2.2 (3.3 V/5.0 V)

AGP Pro 3.0 (1.5 V only)

Bus speed

PCI: 33 MHz; PCI-X: 66/100 MHz

AGP Pro: 66 MHz

Expansion-card connectors:

Dell Precision 650 computer — Three PCI-X connectors, two PCI slots, and one AGP 8x Pro110 connector

Dell Precision 450 computer — One PCI-X connector, two PCI slots, and one AGP 8x Pro50 connector


Externally accessible:

Dell Precision 650 computer

one 3.5-inch drive bay

three 5.25-inch drive bays

Dell Precision 450 computer

one 3.5-inch drive bay

two 5.25-inch drive bays

Internally accessible:

Dell Precision 650 computer

three bays for three 1-inch high or two 1.6-inch high hard drives

NOTE: You can purchase a conversion bracket from Dell that allows you to use a 5.25-inch drive bay as an additional hard drive bay.

Dell Precision 450 computer

two bays for two 1-inch high or one 1.6-inch high hard drives


External connectors:


two 9-pin connectors; 16550-compatible


one 25-hole connector (bidirectional)

IEEE 1394

Dell Precision 650 computer only — Two 6-pin serial connectors


15-hole connector (on add-in video card)

Network connector

RJ45 connector

PS/2 (keyboard and mouse)

6-pin mini-DIN connector


two USB 2.0-compliant connectors on the front panel; four USB 2.0-compliant connectors on the back panel


Dell Precision 650 computer— Three connectors for line-in, line-out, and microphone on back panel; one speaker/headphone and one microphone connector on the front panel

Dell Precision 450 computer— Three connectors for line-in, line-out, and microphone on back panel; one speaker/headphone on the front panel

System Board Connectors:

Primary IDE channel

40-pin connector

Secondary IDE channel

40-pin connector

Floppy drive

34-pin connector


68-pin connector (Dell Precision 650 computer only)

CD drive audio interface

4-pin connector

Telephony (TAPI)

4-pin connector

Fans (3)

3-pin connector

I/O panel

34-pin connector


16-pin connector

Key Combinations


starts embedded system setup (during start-up only)


changes boot sequence (during start-up only)


launches the utility partition (if installed) during computer start-up


disables computer password at start-up (after correct password is entered)

Controls and Lights

Power control

push button

Power light

green light; blinking green in sleep state; dual-color for computer operations —green for power, yellow for diagnostics

Hard-drive access light


Link integrity light (on integrated network connector)

green light for 10-Mb operation; orange light for 100-Mb operation; yellow light for 1,000-Mb (1-Gb) operation

Activity light (on integrated network connector)

yellow blinking light

Diagnostic lights

four lights located on the front panel


DC power supply:


Dell Precision 650 computer: 460 W

Dell Precision 450 computer: 360 W

Heat dissipation

Dell Precision 650 computer: 1000 BTU/hr

Dell Precision 450 computer: 910 BTU/hr


90 to 135 V at 50/60 Hz; 180 to 265 V at 50/60 Hz

Backup battery

3-V CR2032 lithium coin cell


Dell Precision 650 computer


49.1 cm (19.3 inches)


22.2 cm (8.7 inches)


48.8 cm (19.2 inches)


19 kg (42 lbs)

Dell Precision 450 computer


16.5–16.8 cm (6.5–6.6 inches)


44.7 cm (17.6 inches)


44.5 cm (17.5 inches)


18.6 kg (41 lbs)

Supported monitor weight (in desktop orientation)

45.4 kg (100 lbs)




10° to 35°C (50° to 95°F)

NOTE: At 35°C (95°F), the maximum operating altitude is 914 m (3000 ft).


–40° to 65°C (–40° to 149°F)

Relative humidity

20% to 80% (noncondensing)

Maximum vibration:


0.25 G at 3 to 200 Hz at 0.5 octave/min


0.5 G at 3 to 200 Hz at 1 octave/min

Maximum shock:


bottom half-sine pulse with a change in velocity of 50.8 cm/sec (20 inches/sec)


Dell Precision 650 comptuer:

nonoperating (half-sine pulse) 105 G, 2 ms

nonoperating (faired-square wave) 27 G with a velocity change of 508 cm/sec (200 inches/sec)

Dell Precision 450 computer:

nonoperating (half-sine pulse) 105 G, 2 ms

nonoperating (faired-square wave) 32 G wtih a velocity change of 596 cm/sec (200 inches/sec)



–15 to 3048 m (–50 to 10,000 ft)

NOTE: At 35°C (95°F), the maximum operating altitude is 914 m (3000 ft).


–15 to 10,600 m (–50 to 35,000 ft)

Click here to view the manufacturer's item description/brochure

Weight: 50 lb

Warranty: 2 Month DiscTech

Used Pull

Condition Levels Explained

The product has been removed from a working system (e.g. server). These products vary in their usage due to age of system & type of service etc.. However, Used System Pulls are fully tested and all handling is performed by trained technicians, taking full ESD precautions.

2 Month DiscTech Warranty

Product Warranties Explained

The product has a DiscTech warranty for the time period specified. View our limited warranty

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