Drobo

 Data Robotics, Inc.
 Model: DR04D-D
  Input: DC 12V-6.6A + tip
   900-00003-001
   TDB094820745

Seagate Barracuda 7200.11 - 1500 Gbytes - SATA

 +5V 0.72A / +12V 0.52A
 ST31500341AS
 P/N: 9JU138-302
 Firmware: CC1H
 Date Code: 10251  Site Code: TK (Thailand)
   Drive 1 S/N: 9VS35A1Q
   Drive 2 S/N: 9VS37TQK

Seagate Barracuda 7200.12 - 1000 Gbytes - SATA

 +5V 0.72A / +12V 0.52A
 ST31000528AS
 P/N: 9SL154-336
 Firmware: CC38
 Date Code: 10272  Site Code: TK (Thailand)
   Drive 1 S/N: 9VP3V43M

Technical Specifications

Firewire 800 controller: Texas Instruments

 XIO2213AZAY  /  97AHF2W  /  _GI_
 3 port PCI-Express

SATA Daughterboard:

 937KB1  /  TD62083AFG (8x Darlington driver)
 TI (QTY 2) LC244A  /  9A4G4  /  ZJER (Octal buffer)

SATA Controller: Marvell PCI-X 4-Port SATA-II

 88SX6042-BCZ1  /  Q1C0181.1  /  0940  B0E  /  TW

Processor: Marvell 500 Mhz SoC (same as Time Capsule)

 88F5-BF01  /  QU72751A.0  /  0833 D0E  /  TW  /  88F5281-D0  /  C500
 500 Mhz, PCI Express, PCI-X, PCI, USB 2.0
 GigE, DDR2 32bit 200mhz
 Marvell Feroceon RISC core (ARMv5TE)

Memory: 1GB

 Hynix H5PS5162FFR  /  Y5C    944A  /  NTHK50394
 2x 512Mb DDR2 SDRAM (3-5-5-5)

Other LSI chips:

 Spansion GL128P90FFIR2  /  943BB464 B
   128Mb 3V NOR flash memory
   90nm 25ns page 90ns random
 XILINX XC2C64A  /  VQG100AMS0925  /  F3648207A  /  5C  / Label: 850-00004-008
   64 Macrocell Programmable Logic Device (PLA)
 MT 9IA47  /  PW004  /  7PFJ
 NXP PCA9555  /  CR3375  17  /  Tn60935A
   GPIO Expansion (16 bit)

Notes:

 NVRAM Battery: ML2020 Manganese rechargeable Lithium 45 mAh / 3V
 J10: Jumpered
 CON2: 5 pin connector - no connection
 Single speed brushless dc fan