
Why buy from us?
HardwareJet is built for professionals who need dependable hardware without delays or guesswork. Our curated network of manufacturers ensures quality parts, fair pricing, and responsive service.
Ask a Question About This Product
Ships from outside of the USA. Please allow up to 2 weeks for delivery.
- In Stock: 1
- Manufacturer: IBM
- Model or Part: 40W4556
- Note: Genuine IBM branded.
- Condition: Refurbished
- Weight: 1.00lb
United States Shipping
Orders over $200 qualify for Free Super-Saver Shipping! We ship at our discretion via the most cost-effective method using FedEx, UPS, or USPS.To ensure your order is processed efficiently, all shipping charges must be pre-paid at checkout. We are unable to bill directly to third-party shipper accounts or use customer-provided labels for domestic shipments.
International Shipping
International orders begin processing as soon as payment is confirmed.- Pre-paid Shipping: For your convenience, you can select and pay for international shipping directly at checkout.
- Carrier Accounts: Alternatively, we can bill transport costs directly to your FedEx account number. (Note: We cannot bill to DHL, TNT, or UPS accounts).
- Customer Labels: We are also happy to ship internationally using pre-paid labels provided by you for any carrier.
Expedited and Rush Shipping
Need it faster? HardwareJet.com offers 1 or 2-day expedited shipping options during checkout for eligible items.To get your order to the front of the line, expedited orders include a small rush fee in addition to the carrier's shipping charges. If an item is not available for expedited shipping, these options will not appear in your cart.
Item Condition
New - Sealed or Open Box ConditionExcellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item
To bring you an even wider selection, some of our items are shipped directly from our trusted partners. Delivery times may vary for these items.
Overview
The IBM part number 40W4556 is a high-performance memory kit designed for mission critical servers and workstations. This kit provides a total of 4GB of DDR3 memory built from 1.4GB modules that operate at 1333MHz (PC3-10600) with a CL9 latency. Engineered with error correcting code (ECC) technology, the kit delivers data integrity and system stability for demanding applications.
Key Features
- 4GB total capacity (1.4GB per DIMM) for flexible memory configuration
- DDR3 1333MHz (PC3-10600) speed ensures fast data access
- CL9 latency balances performance and power efficiency
- ECC (Error Correcting Code) protects against single-bit errors
- Registered (RDIMM) design for reliable operation in server environments
- Compatible with a wide range of IBM System x and BladeCenter platforms
- Low voltage operation reduces overall system power consumption
Technical Specifications
- Manufacturer: IBM
- Model/Part Number: 40W4556
- Memory Type: DDR3 SDRAM
- Form Factor: RDIMM
- Capacity: 4GB total (1.4GB per module)
- Speed: 1333MHz (PC3-10600)
- CAS Latency: CL9
- Voltage: 1.5V
- ECC: Yes (single-bit error correction, double-bit error detection)
- Module Organization: 1GB x 8 or 2GB x 8 configurations
Typical Applications
- Enterprise servers requiring high reliability and data integrity
- Virtualization hosts that benefit from stable memory performance
- Database servers handling transaction processing and analytics
- High-performance computing clusters where error correction is critical
- Blade servers and rack-mount systems in data center environments
By choosing the IBM 40W4556 memory kit, IT professionals gain a trusted solution that enhances system uptime, supports critical workloads, and offers the scalability needed for future growth.