The SGI Fuel is currently the fastest system in my collection.

Fuel K14000, 600 MHz


This system has a Plextor M6Pro 256 GB SSD via ACard ARS-2320 as it's primary storage.
Audio is handled by a M-Audio Revolution 7.1 PCI card.
An Adaptec AFW4300B cards as DMedia DM10 extension.
A LSI 20320-R SCSI adapter (controller 3, LS1030) not connected due to diffent plug than the SCSI cable.
MAC Address: 08:00:69:10:2B:2D

  • 1 600 MHZ IP35 Processor
  • CPU: MIPS R14000 Processor Chip Revision: 2.3
  • FPU: MIPS R14010 Floating Point Chip Revision: 2.3
  • CPU 0 at Module 001c01/Slot 0/Slice A: 600 Mhz MIPS R14000 Processor Chip (enabled)
  • Processor revision: 2.3. Scache: Size 4 MB Speed 300 Mhz Tap 0xa
  • Main memory size: 3072 Mbytes
  • Instruction cache size: 32 Kbytes
  • Data cache size: 32 Kbytes
  • Secondary unified instruction/data cache size: 4 Mbytes
  • Memory at Module 001c01/Slot 0: 3072 MB (enabled)
  • Bank 0 contains 1024 MB (Premium) DIMMS (enabled)
  • Bank 1 contains 1024 MB (Premium) DIMMS (enabled)
  • Bank 2 contains 512 MB (Premium) DIMMS (enabled)
  • Bank 3 contains 512 MB (Premium) DIMMS (enabled)
  • Integral SCSI controller 2: Version IEEE1394 SBP2
  • Integral SCSI controller 0: Version QL12160, low voltage differential
  • Disk drive: unit 1 on SCSI controller 0 (unit 1)
  • Disk drive: unit 2 on SCSI controller 0 (unit 2)
  • Integral SCSI controller 1: Version QL12160, single ended
  • CDROM: unit 6 on SCSI controller 1
  • Integral SCSI controller 3: Version LS1030, low voltage differential
  • IOC3/IOC4 serial port: tty1
  • IOC3/IOC4 serial port: tty2
  • IOC3 parallel port: plp1
  • Graphics board: V10
  • Integral Fast Ethernet: ef0, version 1, module 001c01, pci 4
  • Iris Audio Processor: version MAD revision 1, number 1
  • PCI Adapter ID (vendor 0x1412, device 0x1724) PCI slot 1
  • PCI Adapter ID (vendor 0x1077, device 0x1216) PCI slot 1
  • PCI Adapter ID (vendor 0x104c, device 0x8024) PCI slot 2
  • PCI Adapter ID (vendor 0x1000, device 0x0030) PCI slot 3
  • PCI Adapter ID (vendor 0x10a9, device 0x0003) PCI slot 4
  • PCI Adapter ID (vendor 0x11c1, device 0x5802) PCI slot 5
  • HUB in Module 001c01/Slot 0: Revision 2 Speed 200.00 Mhz (enabled)
  • IP35prom in Module 001c01/Slot n0: Revision 6.210
  • DMediaPro DM10 FW option: unit 0, revision 1.1.0
  • USB controller: type OHCI

Here are the diskperf numbers for the QL12160 SCSI controller, the Acard ARS-2320 adapter and the Plextor M6Pro SSD:

Excelsior %1 diskperf -W -D -n Fuel600-M6Pro-QL12160 -t10 -c100m testfile
#---------------------------------------------------------
# Disk Performance Test Results Generated By Diskperf V1.2
#
# Test name : Fuel600-M6Pro-QL12160
# Test date : Sat Mar 19 16:24:36 2016
# Test machine : IRIX64 Excelsior 6.5 07202013 IP35
# Test type : XFS data subvolume
# Test path : testfile
# Request sizes : min=16384 max=4194304
# Parameters : direct=1 time=10 scale=1.000 delay=0.000
# XFS file size : 104857600 bytes
#---------------------------------------------------------
# req_size fwd_wt fwd_rd bwd_wt bwd_rd rnd_wt rnd_rd
# (bytes) (MB/s) (MB/s) (MB/s) (MB/s) (MB/s) (MB/s)
#---------------------------------------------------------
16384 34.18 36.00 38.77 29.25 38.68 29.30
32768 52.71 47.60 55.40 40.33 55.16 40.64
65536 68.55 63.80 70.10 54.48 69.93 55.04
131072 72.88 69.93 73.14 59.60 73.07 59.89
262144 74.82 74.69 75.02 68.07 74.93 68.32
524288 75.25 76.82 75.33 73.15 75.34 73.45
1048576 74.86 77.45 74.87 76.01 74.81 75.02
2097152 73.33 78.46 73.35 76.07 73.35 76.27
4194304 70.14 78.75 70.25 77.50 70.20 77.60

For a system from around 2002-2007 these figures are fast compared to the speeds rotating disks could supply.