| Model Tested | Acer Altos R300 | Altech Apollo 64-R | HP ProLiant DL320 Generation 2 | XENON Radon Duo ASR |
| Vendor | Acer | Altech | HP | XENON |
| Web | www.acer.com.au | www.altech.com.au | www.hp.com.au | www.xenon.com.au |
| Phone | 02 8762 3000 | 02 97355655 | 1300 305 018 | 1300 888 030 |
| Price range | AU$1899-AU$7000 | AU$2130-AU$2975 | AU$1995-AU$2495 | AU$2490 (add AU$435 for redundant 500W power supply) |
| Price as tested (inc GST) | AU$2499 | AU$2130 | AU$2495 | AU$2490 |
| Included standard warranty period | Three years, next-day onsite | One year, RTB | One year onsite, then two years parts | Three years RTB |
| Extended warranty | AU$399-AU$1089 | Three years onsite, AU$121 | AU$488-AU$2318 | Optional onsite warranty |
| Specifications | ||||
| Chassis | Rack | Rack | Rack | Rack |
| Height | 1RU | 4RU | 1RU | 2RU |
| CPU | Intel Pentium 4 3.06Ghz | AMD Athlon64 3400 | Intel Pentium 4 2.66GHz/3.06GHz | Intel Pentium 4 3.2GHz |
| CPU internal cache | 512KB | 1024KB | 512KB | 1024KB |
| Number of CPUs supported | 1 | 1 | 1 | 1 |
| Memory (min/max) | 256MB/4 GB Registered ECC SDRAM | 256MB/3GB DDR400 or DDR 333 SDRAM | 128MB/4GB PC2100 ECC DDR SDRAM | 512KB/4GB DDR-400 ECC or non-ECC SDRAM |
| HDD capacity (min/max) | 40GB/120GB | 80GB/1TB | 40GB/160GB | Up to 6 drives |
| HDD interface | IDE | SATA | Ultra ATA/100 | SATA150 |
| Optical drive (type) | Slimline CD-ROM | DVD/CD RW combo | Removable CD-ROM/floppy drive assembly option kit | Slimline CD-ROM |
| Network chipset | Broadcom BCM5703 | N/A | HP NC7760 | Intel 82541 |
| NICs included | 2x 10/100/1000Mbps | 1x 10/100/1000Mbps | 2x 10/100/1000Mbps | 2x 10/100/1000Mbps |
| USB, serial, parallel, firewire, PS/2 ports | 2,1,0,0,1 | 4,0,0,1,2 | 2,2,0,0,1 | 4,2,1,0,2 |
| Mainboard chipset | ServerWorks ServerSet III | VIA K8T800 / VT8237 chipset | ServerWorks CMIC-SL | Intel Canterwood ES (E7210) |
| Mainboard expansion slots | 1x PCI-X low profile | 1x AGP, 5x PCI slots | 1x PCI-X | 3x PCI-X and 2x PCI low-profile |
| Power supply (watts) | 200 | 430 | 180 | 550 |
| Redundant power supply | N | Optional | N | Optional |
| Operating Systems supported | Windows 2000; Netware 6; Red Hat Linux 8; SCO Openserver 5.0.6, unixware 7.1.1 | Windows 2000, XP, 2003; Linux | Windows NT, 2000, 2003; Linux (Red Hat, SuSE, UnitedLinux) | Windows 2003, 2000; Red Hat Linux 2.1 Advanced Server; Netware 6.0; UnixWare 7.1.3; FreeBSD 4.9, 5.1, 5.2 |
