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ThunderX2 CN9960
General Info
Designer	Cavium
Manufacturer	TSMC
Model Number	CN9960
Part Number	CN9960-2200LG4077-Y21-G, CN9960-2000LG4077-Y21-G, CN9960-1800LG4077-Y21-G, CN9960-1600LG4077-Y21-G
Market	Server
Introduction	May 7, 2018 (announced) May 7, 2018 (launched)
General Specs
Family	ThunderX2
Frequency	1,600 MHz, 1,800 MHz, 2,000 MHz, 2,200 MHz
Microarchitecture
ISA	ARMv8.1 (ARM)
Microarchitecture	Vulcan
Process	16 nm
Technology	CMOS
Word Size	64 bit
Cores	16
Threads	64
Max Memory	2 TiB
Multiprocessing
Max SMP	2-Way (Multiprocessor)
Packaging
Package	FCLGA-4077 (LGA)
Contacts	4077

ThunderX2 CN9960 is a 64-bit hexadeca-core high-performance ARM server microprocessor introduced by Cavium in mid-2018. The microprocessor, which is based on the Vulcan microarchitecture, is fabricated on TSMC's 16 nm process. Depending on the exact SKU, the CN9960 operates between 1.6 GHz and 2.2 GHz and supports up to quad-channel DDR4-2666 memory.

Cache

Main article: Vulcan § Cache

[Edit/Modify Cache Info]

Cache Organization Cache is a hardware component containing a relatively small and extremely fast memory designed to speed up the performance of a CPU by preparing ahead of time the data it needs to read from a relatively slower medium such as main memory. The organization and amount of cache can have a large impact on the performance, power consumption, die size, and consequently cost of the IC. Cache is specified by its size, number of sets, associativity, block size, sub-block size, and fetch and write-back policies. Note: All units are in kibibytes and mebibytes.

L1$ 1 MiB 1,024 KiB 1,048,576 B L1I$ 512 KiB 524,288 B 0.5 MiB 16x32 KiB 8-way set associative   L1D$ 512 KiB 524,288 B 0.5 MiB 16x32 KiB 8-way set associative   L2$ 4 MiB 4,096 KiB 4,194,304 B 0.00391 GiB     16x256 KiB 8-way set associative   L3$ 16 MiB 16,384 KiB 16,777,216 B 0.0156 GiB     16x1 MiB

Memory controller

[Edit/Modify Memory Info]

	Integrated Memory Controller
	Max Type DDR4-2666 Supports ECC Yes Max Mem 2 TiB Controllers 2 Channels 4 Max Bandwidth 79.47 GiB/s 81,377.28 MiB/s 85.33 GB/s 85,330.263 MB/s 0.0776 TiB/s 0.0853 TB/s Bandwidth Single 19.87 GiB/s Double 39.74 GiB/s Quad 79.47 GiB/s

Expansions

[Edit/Modify Expansions Info]

	Expansion Options
PCIe Revision: 3.0 Max Lanes: 48 Configuration: x16, x8, x4, x1 SATA Revision: 3 Max Ports: 2 USB Revision: 3 Max Ports: 2

Features

[Edit/Modify Supported Features]

	Supported ARM Extensions & Processor Features
	NEON Advanced SIMD extension TrustZone TrustZone Security Extensions PMUv3 ARMv8 PMUv3 Performance Monitors Extension CRC32 CRC-32 checksum Extension Crypto Cryptographic Extension FP Floating-point Extension SIMD Advanced SIMD extension