APEX S2U – Modular 2U Short Rack Server

Modular 2U Short Rack, Total Rack Server/Switch/NAS/Flex VPX™/GPGPU expansion

Applied to defense, high-reliability, or enterprise applications, Apex is a revolutionary 2U short rack (22-inch) modular blade server system designed for subsystem modularity, maximum performance at Gen 3 speeds (8 Gbps), flexible add-in, and add-on options—all based upon VPX interconnects with military system reliability.



  • 2U high, 19-inch air-cooled rack mount server
  • Dual socket Intel® Xeon® E5 v4, 22 Cores each CPU
  • 1 TB DDR4 with ECC, 2133 MT/s
  • 6 modular, hot-swap subsystems, VPX-based
  • GMS FlexVPX™ backplane, PCIe Gen 3 at 8 Gbps (20 Gbps-capable)
  • Ethernet up to 6x 40GbE (fiber or copper), 2x 10GbE, 22x 1GbE
  • Layer 2/3 intelligent Ethernet switch; Cisco® ESR 5921 router
  • 12x SAS-3, SATA III, NVMe (PCIe 3) drive trays (up to 144 TB)
  • Hardware RAID: 0, 1, 5, 10, 50, plus Intel RSTe software RAID
  • Hardware direct-to-disk encryption for Mass Storage drives
  • 6x USB 3.0, HDMI console video (no audio)
  • 2x Thunderbolt 3 (no DisplayPort) with Power Delivery
  • FlexVPX™ four-slot x16 PCIe card cage
  • 3x N+1 redundant 3U VPX 600 W (max) power supplies, AC/DC with charging
  • TPM 2.0 for secure root-of-trust and crypto key authentication

Internal Storage for OS

  • M.2 NVMe PCIe 3.0, via removable drive tray. (Up to 2 TB as of October 2018)

External Storage/NAS

  • 12x drive trays supporting PCIe 3.0 NVMe, SATA III, and SAS Gen 3 (Up to 144 TB using 12 TB 2.5-in SSD)
  • Hardware RAID 0, 1, 5, 10, 50 and custom
  • Controller-side encryption for self-encrypting (OPAL), FIPS-197 and FIPS-140-2 HDD and SSDs


  • 8-bay sub-system equipped with integral hardware RAID controller
  • Software RAID via Intel RSTe; hardware RAID 0, 1, 5, 10 and 50


  • 2x 40 GbE on CPU, 1x 1GbE + 1x 100MbE on CPU, 2x 10 GbE on COM; up to 4x 40 GbE on XPANSE™ (replaces COM module), 20x 1 GbE on COM
  • Integral 22 port intelligent switch with Layer 2/3 routing
  • 40 GbE ports can be copper or fiber

Ethernet Options

  • 20 Ethernet ports support Power over Ethernet+ (POE+), 25 W per port (150 W total)

Router Options

  • Cisco® ESR 5921 embedded router on four of 20 Ethernet ports

  • All sub-systems swappable and modular; (PSU blades individually removed)
  • Blade-based motherboard replaceable and upgradeable to next-generation scalable Intel® Xeon® platform
  • Removable SSDs can be encrypted; available as SAS-3, SATA III, and NVMe
  • Drive tray LEDs provide visible system health status