 |  | | AS-4021M-T2R+ | - A+ Server 4021M-T2R+ (Beige)
| | AS-4021M-T2R+B | - A+ Server 4021M-T2R+B (Black)
| | |  | | CPU | - Dual 1207-pin Socket F
- Supports up to two Quad-Core / Dual-Core AMD Opteron™ 2000 Series (Socket F) processor(s)
- Dual-core Support
| | System Bus | | | Chipset | - nVidia MCP55 Pro
- NEC uPD720400
| | |  | | Memory Capacity | - Sixteen 240-pin DIMM sockets
- Up to 64 GB DDR2 667 MHz memory *
- Up to 32 GB DDR2 533 MHz memory
- Up to 64 GB DDR2 400 MHz memory
- For Single CPU: Memory must be populated in CPU1 DIMMs only
- For Dual CPUs: Recommended that memory be populated equally in adjacent memory banks
- Dual channel memory bus
| | Memory Type | - DDR2 667/533/400 MHz buffered (registered) ECC SDRAM 72-bit, 240-pin gold-plated DIMMs
| | DIMM Sizes | - 256 MB, 512 MB, 1GB, 2GB, 4GB
| | Memory Voltage | | | |  | | SATA | - nVidia MCP55 Pro SATA2 3.0Gbps Controller
- 6 SATA Ports
- nVidia RAID 2.0
- SATA RAID 0, 1, 0+1, 5, JBOD Support
| | IPMI | | | Network Controllers | - nVidia MCP55 Pro Chipset Dual-port LAN / Ethernet Controller
- Supports 10BASE-T, 100BASE-TX, and 1000BASE-T, RJ45 output
| | VGA | - ATI ES1000 Graphics Controller
| | Super I/O | | | |  | | SATA | | | IDE | - Single EIDE channel support up to two UDMA IDE devices
- Supports UDMA Mode 5
- Supports PIO Mode 4
- Supports ATA 100/133
| | Floppy | - 1 Floppy port; 1.44 MB support
| | LAN | | | USB | - FUCI
- Up to 6 USB Ports 2.0 Compliant, 1.1 Compatible
- 2 Rear Ports
- 4 Internal Headers
| | VGA | | | Keyboard / Mouse | - PS/2 keyboard and mouse ports
| | Serial Ports | - 1 Fast UART 16550 serial port
- 1 serial port header
| | |  | | BIOS Type | - 8Mb Flash EEPROM with AMI® BIOS
| | BIOS Features | - Plug and Play (PnP)
- DMI 2.3
- PCI 2.2
- ACPI 2.0
- BIOS Rescue Hot Keys
- USB Keyboard Support
- Hardware BIOS Virus Protection
- SMBIOS 2.3
| |  |  |  | | Form Factor | - Tower / 4U Rackmountable
- Optional Rackmount Kit (CSE-PT26)
| | Model | | | |  | | Height | | | Width | | | Depth | | | Gross Weight | | | Available Colors | | | |  | | Buttons | - Power On/Off button
- System Reset button
| | LEDs | - Power LED
- Hard drive activity LED
- 2x Network activity LEDs
- System Overheat LED
- Power Fail LED
| | Ports | | | |  | | Hot-swap | - 8 x 3.5" Hot-swap (SAS / SATA) Drive Bays
| | Peripheral Bay(s) | - 2x 5.25" Peripheral Drive Bay
- 1x 5.25" Bay For Floppy Drive
| | |  | | PCI-Express | | | PCI-X | - 2 64-bit 133/100MHz PCI-X (3.3V) slots
- 2 64-bit 100MHz PCI-X (3.3V) slot
| | IPMI | | | |  | | SATA Hard Drive Backplane | | |  | | Fans | - 3x 5000 RPM Hot-Swappable Cooling Fans
- 2x 5000 RPM Hot-Swappable Rear Exhaust Fan
| | Shrouds | | | |  | | 800W AC power supply w/ PFC | | AC Voltage | - 100 - 240V, 50-60Hz, 10-4 Amp
| | +5V standby | | | +12V | | | +5V | | | +3.3V | | | -12V | | | |  | | CPU | - Monitors CPU Core Voltages, +1.5V, +3.3V, +5V, ±12V, 5V Standby, HyperTransport Link voltage 1.2V, memory voltage 1.8V, VBAT
- CPU 4-Phase-switching voltage reulator
| | FAN | - Total up to 8-fan status tachometer monitoring
- Up to eight 4-pin fan headers
- Status monitor for speed control
- Stauts monitor for on/off control
- Low noise fan speed control
- Pulse Width Modulated (PWM) fan connectors
| | Temperature | - Monitoring for CPU and chassis environment
- CPU Thermal Trip Support
- Thermal Control for 8x Fan Connectors
- I2C Temperature Sensing Logic
| | LED | - CPU / System Overheat LED
- Suspend-State Indicator LED
- +5V Standby Alert LED
| | Other Features | - Chassis Intrusion Detection
- Chassis Intrusion Header
| |