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Lenovo ThinkAgile HX3521-G

A 2-socket, 2U hyperconverged Certified Node — the same ThinkSystem SR650-derived hardware as the HX3520-G, with 16x 2.5" SFF hot-swap bays, sold without a bundled Nutanix software license so a customer or reseller can supply Nutanix AOS/AHV separately.

Memory

Slots
24 DIMM (12 per processor, 2 per channel)
Max
1.5 TB (24 × 64 GB LRDIMM, or 12 × 128 GB 3DS RDIMM)
Speed
Up to 2933 MT/s (Gen 2 platform); 2666 MT/s (Gen 1 platform)
Types supported
RDIMM, LRDIMM (Gen 1 only), 3DS RDIMM
Protection
ECC, SDDC, ADDDC (Gold/Platinum CPUs), patrol scrubbing, demand scrubbing

Storage

Drive bays
16 × 2.5" SAS/SATA hot-swap (front)
Configurations
All-flash: 4–16 SSDs in steps of 2. Hybrid: 2 cache SSDs + 6–14 capacity HDDs, or 4 cache SSDs + 8–12 capacity HDDs
Storage controller
430-16i HBA (12 Gbps SAS / 6 Gbps SATA); the 430-8i is HX7520/HX7521-only
Boot drives
2 × M.2 non-hot-swap SATA SSD, RAID-1
Max capacity (Gen 1 spec)
Hybrid up to 33.6 TB (HDD); All-flash up to 61.44 TB (SSD)

Expansion

Slots
Up to 7 × PCIe 3.0 slots
Slot 1
PCIe 3.0 x16 or x8, full-height/half-length
Slot 2
PCIe 3.0 x8, full-height/half-length (absent if Slot 1 is x16)
Slot 3
PCIe 3.0 x8, full-height/half-length
Slot 4
PCIe 3.0 x8, low profile
Slot 5
PCIe 3.0 x16, full-height/half-length
Slot 6
PCIe 3.0 x16, full-height/half-length (unavailable with a double-wide GPU in slot 5)
Slot 7
PCIe 3.0 x8 (internal storage controller)
GPU support
2 × double-wide or 5 × single-wide GPU adapters

Networking

LOM
1 × 10 GbE LOM adapter, 2 or 4 base ports (RJ-45 or SFP+)
Add-in adapters
Up to 3 or 4 PCIe adapters (max depends on adapter model): 10GBASE-T, 10 GbE SFP+, 25 GbE SFP28, or 40 GbE QSFP28
Management
1 × RJ-45 10/100/1000 Mb Ethernet (XClarity Controller)

Power

Supplies
2 × redundant hot-swap, 550 W / 750 W / 1100 W (100–240 V), 1600 W (200–240 V) Platinum, or 750 W (200–240 V) Titanium

Ports

Front
1 × USB 2.0 (XClarity Controller access), 1 × USB 3.0, 1 × VGA
Rear
2 × USB 3.0, 1 × VGA

Physical

Form factor
2U rack-mount
Dimensions
445 mm W × 87 mm H × 764 mm D (17.5 × 3.4 × 30.1 in); Gen 1 platform depth 720 mm (28.3 in)
Weight
Max configuration 32 kg (70.5 lb)
Cooling
6 hot-swap system fans, N+1 redundant

Management

Controller
Lenovo XClarity Controller (XCC) Enterprise, Pilot 4 chip
Tools
XClarity Provisioning Manager, XClarity Administrator, XClarity Pro, optional XClarity Energy Manager
Security
Power-on/admin password, secure firmware updates, TPM 2.0 (Gen 1: TPM 1.2 or 2.0), optional security bezel
Video
Matrox G200, 16 MB, integrated in XCC; max 1920×1200 @ 60 Hz, 32bpp

Operating systems

Hypervisors
Nutanix AHV, VMware ESXi, Microsoft Windows Server Hyper-V
HCI software
Nutanix Acropolis Starter/Pro/Ultimate — Certified Node licenses purchased separately from Nutanix or a Nutanix reseller (not bundled, unlike the HX3520-G Appliance)

Processors

  • Intel Xeon Silver 4208
  • Intel Xeon Silver 4210
  • Intel Xeon Silver 4210R
  • Intel Xeon Silver 4214
  • Intel Xeon Silver 4214R
  • Intel Xeon Silver 4215
  • Intel Xeon Silver 4215R
  • Intel Xeon Silver 4216
  • Intel Xeon Gold 5215
  • Intel Xeon Gold 5215L
  • Intel Xeon Gold 5217
  • Intel Xeon Gold 5218
  • Intel Xeon Gold 5218R
  • Intel Xeon Gold 5220
  • Intel Xeon Gold 5220R
  • Intel Xeon Gold 5220S
  • Intel Xeon Gold 6222V
  • Intel Xeon Gold 6226
  • Intel Xeon Gold 6226R
  • Intel Xeon Gold 6230
  • Intel Xeon Gold 6230R
  • Intel Xeon Gold 6234
  • Intel Xeon Gold 6238
  • Intel Xeon Gold 6238L
  • Intel Xeon Gold 6238R
  • Intel Xeon Gold 6240
  • Intel Xeon Gold 6240L
  • Intel Xeon Gold 6240R
  • Intel Xeon Gold 6242
  • Intel Xeon Gold 6248
  • Intel Xeon Gold 6252
  • Intel Xeon Gold 6262V
  • Intel Xeon Platinum 8253
  • Intel Xeon Platinum 8260
  • Intel Xeon Platinum 8260L
  • Intel Xeon Platinum 8276
  • Intel Xeon Platinum 8276L