IBM Power System S821LC

Processors and memory

Microprocessors

Two 8-core 2.32 GHz POWER8 processor cards or two 10-core 2.09 GHz POWER8 processor cards

Level 2 (L2) cache

512 KB L2 cache per core

Level 3 (L3) cache

8 MB L3 cache per core

Level 4 (L4) cache

Up to 32 MB per socket

RAM (memory)

4 GB, 8 GB, 16 GB, 32 GB DDR4 DIMMs; 64 GB to 512 GB per system

Processor-to-memory bandwidth

48 GB/sec per socket, 96 GB/sec per system (for 2S configuration) (Max sustained memory bandwidth to L4 cache from SCM)
85 GB/sec per socket, 170 GB/sec per system (Max peak memory bandwidth to DIMMs from L4 cache)

I/O and storage

Adapter slots

Two PCIe x16 Gen3 FHFL, CAPI enabled
One PCIe x16 Gen3 HHHL, CAPI enabled
One PCIe x8 Gen3 HHHL
Up to one NVIDIA GPU

I/O bandwidth

64 GB/sec (Simplex)

Standard I/O

4 Port 10 G BaseT Ethernet
2x USB 3.0
1x COM and 1x VGA
System management IPMI dedicated 1 GbE

Internal storage capacity

Four HDD/SSD/non-volatile memory express (NVMe)

Internal storage options

1,2,4,6,8 TB SATA,
2,4,6,8 TB SAS,
160 GB – 3.2TB SATA NVMe

Other

Operating systems*

• RHEL 7.2
• Ubuntu 16.04

Racks

Industry standard

Power Input

200-240 VAC

System dimensions

Width: 441.5 mm (17.4 in.)
Depth: 822 mm (32.4 in.)
Height: 43 mm (1.7 in.)

Warranty

Three-year limited warranty; 100 percent client replaceable units (CRU) (varies by country), next business day 9 a.m. - 5 p.m. (excluding holidays), warranty service upgrades and maintenance are available