Tip:
1: THE CPU is used, it is not brand-new, the scratches on the used CPU are normal;
2: This link contains only one used CPU, no cooler.
R 9 3950X specifications
Type CPU / Microprocessor
Market segment Desktop
Family R 9
Model number ? 3950X
CPU part numbers 100-000000051 is an OEM/tray microprocessor
100-100000051WOF is a boxed microprocessor without fan and heatsink
Frequency ? 3.5 GHz / 3500 MHz
Maximum turbo frequency 4.7 GHz / 4700 MHz
Package 1331-pin lidded micro-PGA package
Socket Socket AM4
Architecture / Microarchitecture
Microarchitecture Zen 2
Processor c ? Matisse
CPUID 870F10
Manufacturing process TSMC 0.007 micron FinFET process (CPU die)
Globalfoundries 0.012 micron process (I/O die)
9.89 billion transistors
Die 74mm2 (CPU die)
125mm2 (I/O die)
Data width 64 bit
The number of CPU cores 16
The number of threads 32
Floating Point Unit Integrated
Level 1 cache size ? 16 x 32 KB 8-way set associative instruction caches
16 x 32 KB 8-way set associative data caches
Level 2 cache size ? 16 x 512 KB 8-way set associative unified caches
Level 3 cache size 4 x 16 MB 16-way set associative shared caches
Cache latency 4 (L1 cache)
12 (L2 cache)
40 (L3 cache)
Physical memory 128 GB
Multiprocessing Uniprocessor
Extensions & Technologies MMX instructions
Extensions to MMX
SSE Streaming SIMD Extensions
SSE2 Streaming SIMD Extensions 2
SSE3 Streaming SIMD Extensions 3
SSSE3 Supplemental Streaming SIMD Extensions 3
SSE4 SSE41 SSE42 Streaming SIMD Extensions 4
SSE4a
AES Advanced Encryption Standard instructions
AVX Advanced Vector Extensions
AVX2 / Advanced Vector Extensions 2.0
BMI / BMI1 + BMI2 / Bit Manipulation instructions
F16C / 16-bit Floating-Point conversion instructions
FMA3 / 3-operand Fused Multiply-Add instructions
SHA / Secure Hash Algorithm extensions
AMD64 / A 64-bit technology ?
SMT / Simultaneous MultiThreading
Precision Boost 2
AMD-V / A Virtualization technology
Security Features EVP / Enhanced a Protection ?
Low power features Pure Power
Integrated peripherals / components
Integrated graphics None
Memory controller Memory channels (total): 2
Supported memory: DDR4-3200
ECC supported: Yes
Other peripherals PCI Express 4.0 interface (20 lanes)
Supported interfaces USB-C interface
USB 3.2 Gen 2 (4 ports)
Electrical / Thermal parameters
Maximum operating temperature ? 95°C
Thermal Design Power ? 105 Watt