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801256-L21
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- HPE ML350 Gen9 E5-2637v4 FIO Kit
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3 Year Extended Warranty
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Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
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Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
801256-L21 Overview
801256-L21 is an Intel 13th Gen processor based on the Raptor Lake architecture featuring an LGA 1700 socket, 8 cores and 16 threads, a base clock speed of 3.6 GHz and a boost clock of 4.9 GHz, supported by 4 MB of L2 cache and 16 MB of L3 cache, with a thermal design power (TDP) of 125W. It integrates Intel UHD Graphics 770, supports DDR5 memory in a dual-channel configuration, and offers PCIe 5.0 connectivity for high-speed peripheral communication.
801256-L21 is engineered with overclocking support and an unlocked multiplier for enhanced performance tuning, ensuring compatibility with mainstream desktop chipsets for gaming and workstation applications. It further incorporates AVX2 instruction set extensions and Intel VT-x virtualization support, meeting the demands of sophisticated computing environments with no additional security features required.
What is the price of 801256-L21?
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801256-L21 Specifications
| Product Type | Processors |
| Brand | Intel |
| Series | Intel Core |
| Category | Desktop |
| Max Memory Support | 128 GB |
| Memory Type Support | DDR5 |
| Generation | Intel 13th Gen |
| Architecture | Raptor Lake |
| ECC Support | No |
| Security Features | None |
| CPU Socket | LGA 1700 |
| Instruction Set Extensions | AVX2 |
| Virtualization Support | Intel VT-x |
| Cores | 8 |
| Threads | 16 |
| Base Clock | 3.6 GHz |
| Max Boost Clock | 4.9 GHz |
| Overclocking Support | Yes |
| L2 Cache | 4 MB |
| L3 Cache | 16 MB |
| TDP | 125W |
| Integrated Graphics | Intel UHD Graphics 770 |
| Graphics Base Frequency | N/A |
| Graphics Max Dynamic Frequency | N/A |
| Memory Channels | Dual |
| PCIe Version | PCIe 5.0 |
| Unlocked | Yes |
| Cooler Included | No |
| Use Case | Gaming / Workstation |
| Product Name | 801256-L21 |
| Height | 1.2 inches |
| Width | 1.2 inches |
| Depth | 1.5 inches |
| Weight | 0.2 lbs |
801256-L21 Use Case
Virtualization & Server Consolidation with 801256-L21-HPE ML350 Gen9 E5-2637v4 FIO Kit
An SMB IT team deploys the 801256-L21-HPE ML350 Gen9 E5-2637v4 FIO Kit in a VMware ESXi cluster to replace five single-purpose servers. The flexible I/O modules optimize network and storage paths, boosting VM density by 40%, reducing rack space by 50%, and cutting power and cooling costs by 25%.
High-Transaction Database Acceleration for E-Commerce
An online retailer uses the 801256-L21-HPE ML350 Gen9 E5-2637v4 FIO Kit to power a MySQL cluster during peak sale events. Dual 10GbE and NVMe controller modules minimize latency to under 1 ms, increase transaction throughput by 30%, and maintain 99.99% SLA uptime for seamless customer checkout.
Edge AI Inference & Real-Time Analytics Deployment
A telecom provider installs the 801256-L21-HPE ML350 Gen9 E5-2637v4 FIO Kit at distributed edge sites for containerized TensorFlow inference. Flexible I/O integration of GPU accelerators and low-latency NVMe storage delivers sub-10 ms model response times, enabling real-time customer analytics and personalized service delivery.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Architecture | Raptor Lake | Raptor Lake | Raptor Lake | Raptor Lake | Raptor Lake |
| Base Clock | 3.6 | 3.6 GHz | 3.6 | 3.4 GHz | 3.6 GHz |
| Brand | Intel | Intel | Intel | Intel | Intel |
| Category | Desktop | Desktop | Workstation | Desktop | Desktop |
| Cooler Included | No | No | No | No | No |
| Cores | 8 | 8 | 16 | 16 | 8 |
| CPU Socket | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 |
| Depth | 1.5 inches | 1.5 inches | 1.5 | 1.5 inches | 1.5 inches |
| ECC Support | No | No | No | No | No |
| Generation | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen |
| Graphics Base Frequency | 300 | 300 MHz | 350 | 350 MHz | N/A |
| Graphics Max Dynamic Frequency | 1100 | 1050 MHz | 1150 | 1,100 MHz | N/A |
| Height | 0.5 inches | 0.6 inches | 1.5 | 0.5 inches | 1.2 inches |
| Instruction Set Extensions | AVX2 | AVX2 | AVX-512 | AVX2 | AVX2 |
| Integrated Graphics | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 |
| L2 Cache | 4 | 4 MB | 2 | 16 MB | 4 MB |
| L3 Cache | 16 | 16 MB | 24 | 30 MB | 16 MB |
| Max Boost Clock | 5.0 | 5.0 GHz | 5.0 | 5.1 GHz | 4.9 GHz |
| Max Memory Support | 128 GB | 128 GB | 128 GB | 128 GB | 128 GB |
| Memory Channels | Dual | Dual | Dual | Dual | Dual |
| Memory Type Support | DDR5 | DDR5 | DDR5 | DDR4 & DDR5 | DDR5 |
| Overclocking Support | Yes | Yes | Yes | Yes | Yes |
| PCIe Version | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 |
| Product Name | 878649-B21 | 801259-L21 | 878660-B21 | Intel Core i7-13700K Processor | 801256-L21 |
| Product Type | Processors | Processors | Processors | Processors | Processors |
| Security Features | None | N/A | SGX | None | None |
| Series | Intel Core | Intel Core | Intel Core | Intel Core | Intel Core |
| TDP | 125W | 125W | 125W | 125W | 125W |
| Threads | 16 | 16 | 24 | 24 | 16 |
| Unlocked | Yes | Yes | Yes | Yes | Yes |
| Use Case | Gaming | Gaming | Gaming / Workstation | Gaming | Gaming / Workstation |
| Virtualization Support | Intel VT-x | Intel VT-x | Intel VT-x / Intel VT-d | Intel VT-x | Intel VT-x |
| Weight | 0.35 lbs | 0.2 lbs | 0.2 | 0.25 lbs | 0.2 lbs |
| Width | 1.5 inches | 1.5 inches | 1.5 | 1.5 inches | 1.2 inches |
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Questions & Answers
Q
What is the HPE 801256-L21 ML350 Gen9 E5-2637v4 FIO Kit?
A
The HPE 801256-L21 FIO Kit includes two Intel Xeon E5-2637v4 processors, factory-installed heat sinks, and mounting parts designed to upgrade or configure dual-socket HPE ML350 Gen9 servers.
Q
Which processors are included in the 801256-L21 FIO Kit?
A
The kit contains two Intel Xeon E5-2637v4 CPUs, each featuring 4 cores, 12 MB L3 cache, 3.5 GHz base frequency, and up to 3.8 GHz turbo boost.
Q
Is the E5-2637v4 FIO Kit compatible with all ML350 Gen9 server models?
A
Yes, the 801256-L21 kit is fully compatible with all HPE ProLiant ML350 Gen9 tower and rack-mount chassis that support Intel Xeon E5-2600 v4 processors.
Q
What performance improvements does the E5-2637v4 deliver?
A
The E5-2637v4 offers up to 3.8 GHz turbo boost, Hyper-Threading across 4 cores, and enhanced cache for faster single-threaded application performance and improved virtualization efficiency.
Q
How do I install the ML350 Gen9 E5-2637v4 FIO Kit?
A
Power off the server, open the chassis, place the CPUs and heat sinks into the designated sockets, then update firmware using HPE iLO or Service Pack for ProLiant before powering on.
Q
Does the FIO Kit include thermal solutions for CPU cooling?
A
Yes, the 801256-L21 FIO Kit ships with factory-tested heat sinks optimized for the ML350 Gen9’s air-cooled chassis design.
Q
How much memory does each E5-2637v4 CPU support on ML350 Gen9?
A
Each processor supports up to 1.5 TB of DDR4 memory across four channels, enabling large-memory configurations for data-intensive workloads.
Q
Can I upgrade from an older E5-2603v4 CPU to the E5-2637v4 using this kit?
A
Yes, the 801256-L21 FIO Kit provides a direct upgrade path from earlier v4-series processors, assuming your server firmware and power supply meet HPE specifications.
Q
Which operating systems are certified for the ML350 Gen9 with E5-2637v4?
A
Certified operating systems include Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi, and other distributions listed on HPE’s support matrix.
Q
Is there a warranty for the HPE ML350 Gen9 E5-2637v4 FIO Kit?
A
Yes, all components in the kit are covered by HPE’s standard limited warranty, matching the server’s warranty period and service terms.
Q
What is the power consumption of the E5-2637v4 CPUs?
A
Each E5-2637v4 CPU has a thermal design power (TDP) of 135 W, so a dual-CPU configuration will draw approximately 270 W plus system overhead.
Q
Can I order individual replacement parts for the FIO Kit?
A
Yes, HPE PartSurfer and authorized resellers offer replacement heat sinks, motherboard cables, and CPU retention kits under the same SKU family.
Q
How do I verify my server firmware is compatible with the FIO Kit?
A
Use HPE Service Pack for ProLiant or HPE iLO to compare your current BIOS and firmware versions against the official HPE compatibility guide for E5-2600 v4 processors.
Q
Does HPE support remote deployment of this FIO Kit?
A
Yes, HPE iLO 4 supports remote firmware updates, scripted deployments, and monitoring to streamline installation in distributed or rack-mounted environments.
Q
What technical support options are available for installation?
A
HPE Proactive Care and HPE Support Center provide 24x7 assistance, detailed installation documentation, and firmware management for ML350 Gen9 deployments.
Q
Where can I purchase the 801256-L21 HPE ML350 Gen9 FIO Kit?
A
The kit is available through HPE direct sales, authorized channel partners, and leading IT resellers—visit the HPE website for regional pricing and availability.
