![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | SYS-6021-H | - SuperServer 6021H (Beige)
| SYS-6021-HB | - SuperServer 6021HB (Black)
| ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | CPU | ![](https://www.supermicro.com/a_images/pixel.gif) | Dual FCPGA370 ZIF Sockets Supports an Intel® Pentium® III processor with 512KB of integrated Advanced Transfer Cache up to 1.4GHz | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | System Bus | ![](https://www.supermicro.com/a_images/pixel.gif) | 133MHz/100MHz system bus | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | Memory Capacity | ![](https://www.supermicro.com/a_images/pixel.gif) | Four 168-pin DIMM 25° sockets Supports up to 4 GB of PC133/100 memory | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Memory Type | ![](https://www.supermicro.com/a_images/pixel.gif) | PC133/100 72-bit registered ECC SDRAM, 168-pin gold-plated DIMMs Dual channel memory bus Memory must be populated in pairs | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | Chipset | ![](https://www.supermicro.com/a_images/pixel.gif) | Serverworks Serverset III HE-SL chipset NB-HE-SL + CSB5 + CIOB2 | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | IPMI | ![](https://www.supermicro.com/a_images/pixel.gif) | Support for Intelligent Platform Management Interface v.1.5 (Optional) | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | SCSI | ![](https://www.supermicro.com/a_images/pixel.gif) | Adaptec AIC-7899W Controller Dual-Channel Ultra160 SCSI | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | RAID | ![](https://www.supermicro.com/a_images/pixel.gif) | Support for Zero-Channel RAID w/ Adaptec 2005S ZCR Card (Card NOT included) | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Network Controllers | ![](https://www.supermicro.com/a_images/pixel.gif) | Dual Intel® 82559 10/100 Ethernet Supports 10BASE-T, 100BASE-TX, and 1000BASE-T, RJ45 output | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Graphics | ![](https://www.supermicro.com/a_images/pixel.gif) | ATI Rage XL SVGA PCI video controller with 8 MB of video memory | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | 2x full-height, full-length 64-bit 66MHz PCI expansion slots (Riser card required) | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | PCI Expansion | ![](https://www.supermicro.com/a_images/pixel.gif) | 1x 64-bit 66/33MHz PCI (3.3V) slots | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | IDE | ![](https://www.supermicro.com/a_images/pixel.gif) | Dual EIDE channels support up to four UDMA IDE devices Supports UDMA Mode 5, PIO Mode 4, and ATA/100 | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | USB | ![](https://www.supermicro.com/a_images/pixel.gif) | Up to 2 USB ports | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Serial Ports | ![](https://www.supermicro.com/a_images/pixel.gif) | 2 Fast UART 16550 serial ports | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Parallel Port | ![](https://www.supermicro.com/a_images/pixel.gif) | Port header provided; parallel cable required for parallel port | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Floppy | ![](https://www.supermicro.com/a_images/pixel.gif) | 1 Floppy controller; 1.44 MB, 2.88 MB, 3-mode support | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Keyboard / Mouse | ![](https://www.supermicro.com/a_images/pixel.gif) | PS/2 keyboard and mouse ports | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | BIOS Type | ![](https://www.supermicro.com/a_images/pixel.gif) | 4Mb Flash EEPROM with AMI® BIOS | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | BIOS Features | ![](https://www.supermicro.com/a_images/pixel.gif) | Plug and Play (PnP) APM 1.2 DMI 2.1 PCI 2.2 ACPI 1.0 BIOS rescue hot keys Hardware BIOS virus protection USB Keyboard support | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | Height | ![](https://www.supermicro.com/a_images/pixel.gif) | 3.5" (89mm) | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Width | ![](https://www.supermicro.com/a_images/pixel.gif) | 16.8" (426mm) | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Depth | ![](https://www.supermicro.com/a_images/pixel.gif) | 25.6" (650mm) | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Gross Weight | ![](https://www.supermicro.com/a_images/pixel.gif) | 53 lbs (24.0kg) | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Available Colors | ![](https://www.supermicro.com/a_images/pixel.gif) | Beige, Black | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | Buttons | ![](https://www.supermicro.com/a_images/pixel.gif) | Power On/Off button System Reset button | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | LEDs | ![](https://www.supermicro.com/a_images/pixel.gif) | Power LED Hard drive activity LED 2x Network activity LEDs System Overheat LED Power fail LED | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Ports | ![](https://www.supermicro.com/a_images/pixel.gif) | none | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | Hot-swap | ![](https://www.supermicro.com/a_images/pixel.gif) | 6x 3.5"SCA Ultra320/160 Hot-swap drives | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Peripheral Bay(s) | ![](https://www.supermicro.com/a_images/pixel.gif) | 1x 5.25" full-height peripheral bay | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | 1x 2U SCA Ultra320/160 backplane (without SAF-TE) | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | Redundant 2U 350W AC power supply w/ PFC | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | AC Voltage | ![](https://www.supermicro.com/a_images/pixel.gif) | 100 - 240V, 50/60Hz, 6 Amp | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | DC Output | ![](https://www.supermicro.com/a_images/pixel.gif) | 12V + 5V + 3.3V ≤ 330W | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | +5V | ![](https://www.supermicro.com/a_images/pixel.gif) | 28.0 amp | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | +5V standby | ![](https://www.supermicro.com/a_images/pixel.gif) | 2.0 amp | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | -5V | ![](https://www.supermicro.com/a_images/pixel.gif) | 0.3 amp | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | +12V | ![](https://www.supermicro.com/a_images/pixel.gif) | 25.0amp | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | -12V | ![](https://www.supermicro.com/a_images/pixel.gif) | 0.8 amp | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | +3.3V | ![](https://www.supermicro.com/a_images/pixel.gif) | 30.0 amp | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | CPU | ![](https://www.supermicro.com/a_images/pixel.gif) | Monitors for CPU Cores, +3.3V, +5, ±12V CPU Core auto-switching voltage regulator w/ auto-sense from 1.4V-3.5V Adjustable CPU clock frequency ratio settings (via BIOS) | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | FAN | ![](https://www.supermicro.com/a_images/pixel.gif) | Total of six 3-pin fan headers 4x fans with tachometer monitoring Status monitor with firmware/software on/off control | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Temperature | ![](https://www.supermicro.com/a_images/pixel.gif) | Monitoring for CPU, chassis, environment | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | LED | ![](https://www.supermicro.com/a_images/pixel.gif) | CPU Overheat LED System Overheat LED Suspend-state indicator LED | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Other Features | ![](https://www.supermicro.com/a_images/pixel.gif) | Chassis intrusion detection (through LDCM) Chassis intrusion header | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | |