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MEM-1900-512U2.5GB
UPG 512MB TO 2.5GB DRAM 2GB+512MB FOR CISCO 1941 ISR
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Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
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Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
MEM-1900-512U2.5GB is a high-performance DDR4 UDIMM memory module designed for demanding desktop and server applications. It operates at a speed of 3200 MHz with a CAS latency of CL16 and a voltage of 1.35V, providing reliable performance for workstation builds that require consistent efficiency and stability. The module comes in a quad-channel kit configuration, is non-ECC and unbuffered, and has been engineered with an integrated heatspreader to optimize thermal management.
Ideal for high-end gaming and professional workstation environments, MEM-1900-512U2.5GB delivers robust capacity in a sleek form factor. With compatibility for both modern Intel (Intel 13th Gen) and AMD (AMD Ryzen 5000) platforms, it ensures versatile deployment in various system builds while offering a streamlined design without RGB lighting for users focused on performance and reliability.
MEM-1900-512U2.5GB price is $186.19, a 74% saving from the Cisco list price of $716.13. MEM-1900-512U2.5GB is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for MEM-1900-512U2.5GB for additional pricing. Browse the full 1900 Router Memory & Flash series or explore all Cisco products.
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| MEM-1900-512U2.5GB |  MEM-1900-512MB |  MEM-1900-1GB |  MEM-1900-512U1.5GB | |
|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 512 GB | 512 GB | 1 GB | 512 GB |
| Compatible Platforms | Desktop / Server | Desktop / Laptop / Server | Desktop / Laptop / Server | Desktop |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Quad Channel | Single Channel | Single Channel | Single Channel |
| Speed | 3200 MHz | 2133 MHz | 1600 MHz | 3200 MHz |
| Reliability Rating | Standard | Standard | Standard | Standard |
| CAS Latency (CL) | CL16 | CL15 | CL16 | CL16 |
| Voltage | 1.35V | 1.2V | 1.2V | 1.5V |
| ECC Support | No | No | No | No |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| XMP Support | Intel XMP 2.0 | Intel XMP 2.0 | No | No |
| RGB Lighting | No | No | No | No |
| Heatsink / Heatspreader | Yes | Yes | No | Yes |
| Use Case | Workstation | Gaming | General Use | Gaming |
| Product Name | MEM-1900-512U2.5GB | MEM-1900-512MB | MEM-1900-1GB | MEM-1900-512U1.5GB |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Major DRAM upgrade significantly improved performance.
Router handled more services without slowdown.
Cisco memory delivered reliable results.
Excellent upgrade for expanding capabilities.
Stable and error free since installation.
It includes a 512MB to 2.5GB (2GB+512MB) Cisco-certified DRAM module for Cisco 1941 ISR routers.
The module is compatible exclusively with Cisco 1941 Integrated Services Routers (ISR).
It expands your ISR 1941 memory by 2.5GB (2GB plus an additional 512MB).
Yes, it is a genuine Cisco-manufactured DRAM upgrade backed by Cisco certification.
The module uses high-performance, ECC DDR3 DRAM optimized for Cisco 1941 routers.
Power off the ISR 1941, remove the existing DRAM, insert the new module, and restart the router.
No CLI changes are required; the ISR 1941 automatically recognizes and utilizes the new memory.
Yes, increased DRAM enhances throughput, supports more processes, and improves overall ISR stability.
It carries Cisco’s standard limited lifetime warranty and is eligible for Cisco technical support.
Mixing is not recommended; use this single DRAM module to ensure optimal performance and compatibility.
The module measures 67.6mm x 30mm, fitting standard DRAM slots in the Cisco 1941 ISR chassis.
It operates between 0°C to 45°C, matching the Cisco 1941 ISR environmental specifications.
It is ECC (Error-Correcting Code) DRAM designed to detect and correct single-bit errors.
Use the 'show version' or 'show platform hardware qfp active feature' commands in the ISR CLI.
Yes, it is refundable within 30 days of purchase, subject to Cisco’s return material authorization policy.
You can buy it from Cisco-authorized resellers or the official Cisco online store.
It offers reliable Cisco-certified DRAM expansion, improves router performance, and ensures full support.
United States
