KINGSTON KSM48E40BD8KM-32HM Udimm Memory 32GB 2RX8S PC5-38400 DDR5-4800 CL40 1.1V

( Brand: Kingston ), ( Manufacturer Part Number: KSM48E40BD8KM-32HM ), ( Form Factor: Udimm ), ( Type: Ddr5 ), ( Total Capacity: 32 Gb ), ( Cas Latency: Cl40 ), ( Number Of Pins: 288 ), ( Product: Memory Module ), ( Bus Speed: Pc5-38400 ), ( Country Of Origin: Taiwan )

Review KINGSTON Udimm 1.1v Memory

The **Kingston KSM48E40BD8KM-32HM** is a high-performance, enterprise-grade **32GB UDIMM DDR5 memory module** engineered for demanding workloads in data centers, high-end servers, and advanced computing environments. Part of Kingston s **KSM48E40 series**, this module delivers exceptional speed and efficiency with a **DDR5-4800 MHz** clock speed, translating to a **PC5-38400** data transfer rate, ensuring rapid data processing for applications requiring low latency and high throughput. The **CL40 CAS latency** strikes a balance between speed and stability, allowing for optimized memory performance without sacrificing reliability, making it ideal for workloads such as virtualization, cloud computing, and AI/ML inference tasks where consistent, high-speed memory access is critical.

Designed for **2Rx8 architecture**, this UDIMM module features **two ranks of 8GB DIMMs**, maximizing memory bandwidth while maintaining efficient power management. Operating at a **1.1V voltage**, it adheres to energy-efficient standards, reducing power consumption without compromising performance a key advantage in large-scale server deployments where thermal and electrical efficiency are paramount. The module is built with **Kingston s high-reliability components**, including advanced error-correcting code (ECC) support, which ensures data integrity by detecting and correcting single-bit errors, a critical feature for mission-critical applications where uptime and accuracy are non-negotiable.

Built to meet **JEDEC standards**, this memory module is fully compatible with modern **DDR5-compatible server platforms**, including Intel Xeon and AMD EPYC processors, as well as enterprise-grade motherboards from leading manufacturers. Its **UDIMM form factor** ensures seamless integration into rack-mounted servers, workstations, and storage systems, making it a versatile choice for IT administrators looking to upgrade or expand their infrastructure. Whether deployed in a **hyperscale data center** or a **high-performance computing (HPC) cluster**, the **Kingston KSM48E40BD8KM-32HM** delivers the speed, endurance, and reliability required to handle the most intensive computational demands with confidence.

**Pros and Cons of the Kingston KSM48E40BD8KM-32HM (32GB DDR5-4800 CL40 2Rx8 UDIMM 1.1V) Memory Kit**

1. **High Capacity (32GB)** Suitable for high-end gaming, content creation, or professional workloads requiring substantial RAM.

2. **DDR5 Technology** Offers improved bandwidth, lower latency, and better power efficiency compared to DDR4, aligning with modern CPU architectures (e.g., Intel 12th/13th/14th Gen, AMD Ryzen 7000).

3. **Low Voltage (1.1V)** More power-efficient than standard DDR5 modules (often 1.35V), reducing heat and power consumption.

4. **UDIMM Form Factor** Designed for workstations and servers, ensuring compatibility with professional-grade motherboards (e.g., Intel Xeon, AMD EPYC, or high-end consumer platforms).

5. **Reliability** Kingston is a trusted brand with a history of stable memory modules, though this kit is relatively new, so long-term reliability data is limited.

6. **Compatibility with High-End CPUs** Works well with Intel Core i9-13900K, i9-14900K, or AMD Ryzen 9 7950X3D, where DDR5-4800 is a solid choice for gaming and productivity.

7. **Single-Rank (2Rx8) Configuration** Easier to upgrade later by adding additional modules (though UDIMM kits are often sold as standalone pairs or sets).

1. **High CAS Latency (CL40)** DDR5-4800 CL40 is on the slower end of the performance spectrum for DDR5. Faster kits (e.g., CL36 or CL32) are available but may require overclocking or a more expensive motherboard.

2. **Limited Overclocking Potential** Unlike consumer DDR5 kits, UDIMM modules are often locked to their rated speeds, making overclocking difficult or impossible without a compatible motherboard.

3. **Price** DDR5 memory is generally more expensive than DDR4, and UDIMM kits (especially high-capacity ones) can be costly compared to consumer-grade alternatives.

4. **Power Draw Considerations** While 1.1V is efficient, some high-end CPUs (e.g., Intel i9-13900K) may still struggle with power delivery when paired with multiple high-capacity UDIMM kits, requiring robust VRMs.

5. **Limited Availability of Faster Alternatives** DDR5-4800 CL40 is a baseline speed; if you want better performance, you may need to opt for a faster kit (e.g., DDR5-5600) or a different brand (e.g., Corsair, G.Skill, or Samsung).

6. **Not Ideal for Extreme Overclocking** Unlike consumer DDR5, UDIMM modules are not designed for aggressive overclocking, which may limit enthusiast use cases.

7. **Motherboard Compatibility** Requires a motherboard with DDR5 UDIMM slots (common in workstations but less common in gaming platforms). Check your motherboard s QVL (Qualified Vendor List) to ensure compatibility.

The **Kingston KSM48E40BD8KM-32HM** is a solid choice for users who need **32GB of reliable, low-voltage DDR5 memory** in a **UDIMM configuration** for workstations, servers, or high-end gaming builds where DDR5-4800 is sufficient. However, if **performance is the priority**, a faster kit (e.g., DDR5-5600 or DDR5-6000) with lower latency would be preferable. For **gaming or content creation**, a consumer-grade DDR5 kit (e.g., 2Rx8 or 2Rx16) with better overclocking potential might be a better investment.

- You need **32GB UDIMM DDR5** for a workstation or server.

- Your motherboard supports DDR5-4800 CL40 and you don t require faster speeds.

- You prioritize **reliability and efficiency** over raw performance.

- You want **better gaming performance** opt for a **DDR5-5600 or DDR5-6000 kit** (e.g., Corsair Vengeance RGB, G.Skill Flare X5, or Samsung DDR5).

- You plan to **overclock** look for consumer-grade DDR5 with better XMP profiles.

- Your budget allows higher-capacity (64GB) UDIMM kits may offer better long-term value.

For most **gaming or productivity builds**, a **32GB DDR5-5600 CL36 kit** (e.g., from G.Skill or Corsair) would be a better balance of speed and efficiency. However, if you re building a **workstation or server**, this Kingston kit is a **practical and reliable choice**.

Details:

32GB, Memory Type. UDIMM, Error Checking.: The Kingston KSM48E40BD8KM-32HM is a 32GB DDR5 ECC UDIMM memory module designed for servers and workstations. Manufacturer Kingston.

Condition: Used. It operates at a speed of 4800MT/s PC5-38400 with CL40 latency and low 1.1V power requirement, offering high performance improved energy efficiency. Non-ECC Registered, Pin. Delivery will not be re-routed to different address.

Registered, Form Factor. Overview: Kingston. For refurbished items, return product must be properly packed to prevent damage the item during shipping. Memory, Capacity.

Retail Part #: KSM48E40BD8KM-32HM.

part #: ksm48e40bd8km32hm prices

• $289.99-$819.99

specifications servermemor:

• brand: Kingston
• mpn: Ksm48e40bd8km-32hm
• form factor: Udimm
• type: Ddr5
• total capacity: 32 Gb
• cas latency: Cl40
• number of pins: 288
• product: Memory Module
• bus speed: Pc5-38400
• country of origin: Taiwan

shipping servermemor:

• transit: 3-8 Days
• class: Standard
• service: Standard
• type: Fixed
• cost: $0.00

seller servermemor:

• city: Dallas, Texas
• # reviews: 1304
• rating: 99.2%

payments servermemor:

• other
• credit card: Visa
• wallet: Google-pay

general servermemor:

• condition: Used
• Enterprise Networking, Servers > Server Components > Server Memory RAM

returns servermemor:

• time: 30 Days
• policy: Returns Accepted
• method: Money back
• paid by: Buyer

offer servermemor:

• availability: In Stock
• quantity: 2
• best offers: True
• sold: 0
• started: May 5, 2026
• options: Ship-to-home

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