• RX1600 - Two 1.0 GHz/1.5 MB cache, 16-GB (8×2GB DIMMs), Two PCI-X/PCI IO adapter slots, One DVD slot, Two LVD drive bays
  
• RX1620 - Two 1.3 GHz/3.0 MB cache/200 MHz or two 1.6 GHz/3.0 MB cache/267 MHz, 16-GB (8×2GB DIMMs), Two PCI-X/PCI IO adapter slots, One DVD slot,Two LVD drive bays
  
• RX2600 - Two 1.0-GHz/1.5-MB cache, 1.4-GHz/1.5-MB cache, 1.3-GHz/3-MB cache or 1.5-GHz/6-MB cache, 24-GB (12×2GB DIMMs), Four PCI-X/PCI IO adapter slots, One DVD slot, Three LVD drive bays
  
• RX2620 - Two, Either dual-core 1.6-GHz/18-MB L3 cache, dual-core, 1.4-GHz/12-MB L3 cache, single-core 1.3 GHz/3.0 MB L3 cache, single-core 1.6 GHz/3 MB L3 cache, or single-core 1.6 GHz/6 MB L3 cache, 32 GB (8×4GB DIMMS, Four PCI X/PCI IO adapter slots, One DVD slot, Three LVD SCSI slots
  
• RX2660 - Two Either dual core 1.6 GHz/18 MB L3 cache, dual core 1.4 GHz/12 MB L3 cache, or single core 1.6 GHz/6.0 MB L3 cache or dual core 1.66 GHz/18 MB L3 cache, dual core 1.42 GHz/12 L3 cache, or single core 1.6 GHz/12.0 MB L3 cache, 32 GB (8×4 GB DIMMs), Either three PCI X slot or two PCI Express and one PCI X slot, One DVD slot, Eight (SAS) slots
  
• RX3600 - Two dual core either 1.6 GHz/18 MB cache or 1.4 GHz/12 MB cache; or 1.66 GHz/18 MB or 1.42 GHz/12 MB processor, One I/O backplane. Either PCI X 2.0 backplane with eight available slots or PCI Express backplane with 8 available slots, 96 GB (24×4GB DIMMs), Eight (SAS) slots
  
• RX4640 - Four Dual-Core; either 1.6-GHz/24-MB L3 cache or 1.6-GHz/18-MB L3 cache Or Single-Core Intel Itanium 2 processor; either 1.5 GHz/4MB L3 cache or 1.6 GHz/6 MB L3 cache, 1.6 GHz/9 MB L3 cache processors or HP mx2 two processor module, 128 GB (32×4-GB DIMMs), 6 PCI X IO adapter slots, One DVD Slimline slot, Two LVD SCSI slot
  
• RX5670 - Four : either 1.3 GHz/3 MB cache or 1.5 GHz/6 MB cache,96 GB (48×2GB DIMMs), Ten PCI X or PCI I/O adapter slots One DVD or DDS 3 drive, Four LVD SCSI slots
  
• RX6600 - Four dual core either 1.6 GHz/24 MB cache, or 1.6 GHz/18 MB cache, or 1.4 GHz/12 MB cache; or 1.6 GHz/24 MB or 1.6 GHz/18, or 1.4 GHz/12 MB 9120N processors, One I/O backplane. Either PCI-X 2.0 backplane with 8 available slots or PCI-Express backplane with 8 available slots, 192 GB (24×4 GB DIMMs), Sixteen (SAS) slots
  
• RX7620 - Eight 1.6-GHz 6-MB cache or 1.5-GHz 4-MB cache processors, Two processor/memory cell boards, 128 GB memory (8 quads), Two core I/O,Four LVD SCSI slots,One DVD or DAT, 14 hot-plug 33/66/133-MHz×64-bit PCI-X slots
  
• RX7640 - Four dual core either 1.6 GHz/24 MB cache, or 1.6 GHz/18 MB cache, or 1.4 GHz/12 MB cache; or 1.6 GHz/24 MB or 1.6 GHz/18, or 1.4 GHz/12 MB 9120N processors, One I/O backplane. Either PCI-X 2.0 backplane with 8 available slots or PCI-Express backplane with 8 available slots, 192 GB (24×4 GB DIMMs), Sixteen (SAS) slots
  
• RX8620 - Sixteen Madison 1.6 GHz 6 MB cache or 1.5 GHz 4 MB cache processors, Four processor/memory cell boards, 256 GB memory (16 quads), Two core I/O, Four LVD SCSI slota, Two DVD or DAT, Sixteen PCI expansion slots
  
• RX8640 - Sixteen Intel Dual core Itanium2 (16P/32C) processors or sixteen Intel Itanium (16P/16C) processors, Four processors per cell board, Four cell boards, 512 GB memory (32 pairs of 8 GB DIMMs), Four LVD slots, Two DVD or DAT, Sixteen PCI expansion slot

HP BladeSystem c-Class Integrity Server Blades

• BL860c - Intel Processor 9100 series, Dual or single processor core, PC-4200 DDR2 DIMMs, 48GB, Dual-port Fibre Channel Adapter option, 64 processors per 42U rack.
• BL870c - Intel Processor 9100 series, Dual processor core, PC-4200 DDR2 DIMMs, 192GB, Dual-port Fibre Channel Adapter option, 64 processors per 42U rack.
• NB50000c - Ontel 9100 series, Dual processor core, PC-4200 DDR2 DIMMs, 48GB, Fiber Channel disk modules connected to IOMAE via FCSA.