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46W4371 Xeon E5-2643 v2 delivered consistent high-frequency server performance.
46W4371
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Intel Xeon 6C Processor Model E5-2643v2 130W 3.5GHz/1866MHz/...
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46W4371
- Description:
- Intel Xeon 6C Processor Model E5-2643v2 130W 3.5GHz/1866MHz/25MB_x005F_x000D__x005F_x000D_
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- Brand:
- Lenovo
- GTIN:
- 849064056758
- Condition:
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46W4371 Overview
46W4371 is an Intel processor from the Intel 13th Gen lineup built on the Raptor Lake architecture and installed in an LGA 1700 socket. It offers 16 cores and 24 threads, a base clock speed of 3.4 GHz with a maximum boost of 5.4 GHz, 16 MB of L2 cache and 30 MB of L3 cache, and operates at a TDP of 125W.
This CPU features integrated Intel UHD Graphics 770 with a graphics base frequency of 350 MHz and a max dynamic frequency of 1400 MHz. It supports DDR4 & DDR5 memory in a dual-channel configuration, harnesses PCIe 5.0 connectivity with overclocking support, and incorporates SGX security, AVX2 instruction set extensions, and Intel VT-x virtualization, making it suitable for high-performance gaming and workstation applications.
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46W4371 Specifications
- Product Type
- Processors
- Brand
- Intel
- Series
- Intel Core
- Category
- Desktop
- Max Memory Support
- 128 GB
- Memory Type Support
- DDR4 & DDR5
- Generation
- Intel 13th Gen
- Architecture
- Raptor Lake
- ECC Support
- No
- Security Features
- SGX
- CPU Socket
- LGA 1700
- Instruction Set Extensions
- AVX2
- Virtualization Support
- Intel VT-x
- Cores
- 16
- Threads
- 24
- Base Clock
- 3.4 GHz
- Max Boost Clock
- 5.4 GHz
- Overclocking Support
- Yes
- L2 Cache
- 16 MB
- L3 Cache
- 30 MB
- TDP
- 125W
- Integrated Graphics
- Intel UHD Graphics 770
- Graphics Base Frequency
- 350 MHz
- Graphics Max Dynamic Frequency
- 1400 MHz
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Unlocked
- Yes
- Cooler Included
- No
- Use Case
- Gaming
- Product Name
- 46W4371
- Height
- 0.16 inches
- Width
- 1.48 inches
- Depth
- 1.48 inches
- Weight
- 0.15 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 46W4371 |  00KA067 |  00MW029 |  81Y7114 |  94Y5274 | |
|---|---|---|---|---|---|
| Product Type | Processors | Processors | Processors | Processors | Processors |
| Brand | Intel | Intel | Intel | Intel | Intel |
| Series | Intel Core | Intel Core | Intel Core | Intel Core | Intel Core |
| Category | Desktop | Desktop | Desktop | Desktop | Desktop |
| Max Memory Support | 128 GB | 128 GB | 128 GB | 128 GB | 128 GB |
| Memory Type Support | DDR4 & DDR5 | DDR5 | DDR4 | DDR4 | DDR5 |
| Generation | Intel 13th Gen | Intel 13th Gen | Intel 11th Gen | Intel 13th Gen | Intel 13th Gen |
| Architecture | Raptor Lake | Raptor Lake | Rocket Lake | Raptor Lake | Raptor Lake |
| ECC Support | No | No | No | No | No |
| Security Features | SGX | None | SGX | None | None |
| CPU Socket | LGA 1700 | LGA 1700 | LGA 1200 | LGA 1700 | LGA 1700 |
| Instruction Set Extensions | AVX2 | AVX-512 | AVX2 | AVX2 | AVX2 |
| Virtualization Support | Intel VT-x | Intel VT-x / Intel VT-d | Intel VT-x | Intel VT-x | Intel VT-x |
| Cores | 16 | 8 | 8 | 8 | 24 |
| Threads | 24 | 16 | 16 | 16 | 32 |
| Base Clock | 3.4 GHz | 3.6 | 3.6 GHz | 3.6 GHz | 3.0 |
| Max Boost Clock | 5.4 GHz | 5.2 | 5.0 GHz | 5.0 GHz | 5.8 |
| Overclocking Support | Yes | Yes | Yes | Yes | Yes |
| L2 Cache | 16 MB | 8 | 4 MB | 8 MB | 32 |
| L3 Cache | 30 MB | 16 | 16 MB | 16 MB | 36 |
| TDP | 125W | 125W | 125W | 125W | 125W |
| Integrated Graphics | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 |
| Graphics Base Frequency | 350 MHz | 350 | 350 MHz | 350 MHz | 350 |
| Graphics Max Dynamic Frequency | 1400 MHz | 1300 | 1100 MHz | 1100 MHz | 1300 |
| Memory Channels | Dual | Dual | Dual | Dual | Dual |
| PCIe Version | PCIe 5.0 | PCIe 5.0 | PCIe 4.0 | PCIe 5.0 | PCIe 5.0 |
| Unlocked | Yes | Yes | Yes | Yes | Yes |
| Cooler Included | No | No | No | No | No |
| Use Case | Gaming | Gaming / Workstation | Gaming | Gaming | Gaming |
| Product Name | 46W4371 | 00KA067 | Intel Core i7-11700K (00MW029) | Intel 81Y7114 Raptor Lake Processor | Intel Core i9-13900K |
| Height | 0.16 inches | N/A | 0.5 inches | 1.5 inches | 1.4 inches |
| Width | 1.48 inches | N/A | 1.2 inches | 1.5 inches | 1.4 inches |
| Depth | 1.48 inches | N/A | 1.2 inches | 0.2 inches | 0.125 inches |
| Weight | 0.15 lbs | N/A | 0.35 lbs | 0.3 lbs | 0.5 lbs |
Reviews & Ratings
N
Nolan Bradley
5
Reliable processor upgrade improving virtualization efficiency.
O
Orlando Hayes
4
Strong 6-core throughput under enterprise workloads.
P
Patrick Langston
4
Dependable thermal stability and predictable output.
Q
Quincy Davenport
5
Excellent Xeon CPU for performance-focused systems.
Questions & Answers
What are the key specifications of the Intel Xeon E5-2643v2 processor?
The Intel Xeon E5-2643v2 features 6 cores, 6 threads, a 3.5 GHz base clock, 1866 MHz DDR3 quad-channel support, 25 MB SmartCache and a 130 W TDP.
Which socket and chipset are required for the E5-2643v2?
It requires an LGA 2011 socket motherboard with Intel C600 series chipset support.
What memory does the E5-2643v2 support?
It supports up to 768 GB of DDR3 ECC registered memory at 1866 MHz across four channels.
Does the E5-2643v2 support Hyper-Threading Technology?
No. The E5-2643v2 has 6 physical cores without Hyper-Threading, delivering 6 threads total.
Which virtualization features are enabled on the E5-2643v2?
It includes Intel VT-x for CPU virtualization and Intel VT-d for directed I/O, optimizing virtual environments.
What is the power consumption of the E5-2643v2?
The processor has a Thermal Design Power (TDP) of 130 W, balancing high performance with efficient energy use.
How does Intel Turbo Boost enhance the E5-2643v2?
Intel Turbo Boost 2.0 dynamically increases clock speeds above 3.5 GHz when operating conditions allow for extra performance.
Is the E5-2643v2 certified for VMware and Hyper-V?
Yes. It is certified for VMware ESXi and Microsoft Hyper-V virtualization platforms.
Does the E5-2643v2 include integrated graphics?
No. This server-grade CPU requires a discrete graphics solution if video output is needed.
What cooling solution is recommended for the E5-2643v2?
Use a server-grade heatsink rated for 130 W TDP with active airflow to maintain optimal operating temperatures.
How does the E5-2643v2 differ from the E5-2643v1?
The v2 model uses 22 nm Ivy Bridge technology for higher clocks, larger cache and better memory bandwidth than the 32 nm Sandy Bridge v1.
Which operating systems are supported by the E5-2643v2?
It is compatible with major 64-bit server OS, including Windows Server, Red Hat Enterprise Linux and SUSE Linux Enterprise Server.
Can the E5-2643v2 be used in dual-processor systems?
No. The E5-2643v2 is a uniprocessor SKU and does not support multi-socket configurations.
What warranty does Intel provide for the E5-2643v2?
Intel offers a three-year limited warranty covering defects in materials and workmanship under normal use.
Which workloads are ideal for the E5-2643v2?
It excels at compute-intensive tasks like engineering simulations, scientific modeling and single-threaded applications.
How do I install the E5-2643v2 into my server?
Align the CPU with the LGA 2011 socket notches, lower the retention arm, apply thermal paste and secure a 130 W heatsink.