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Computer Memory Solutions
Computer Memory Solutions CM5126410600SOSRH 4GB DDR3 1333MHz SODIMM memory upgrade
A 4 GB DDR3 SODIMM upgrade for the Lenovo IdeaPad U400, running at 1333 MHz with CL7 timing
- Capacity4GB
- Type204-Pin DDR3 SO-DIMM
- SpeedDDR3 1333 (PC3 10600)
- CAS LatencyCL7
- Timing7-7-7
- Voltage1.5V
- 4 GB capacity adds responsive multitasking headroom
- 1333 MHz DDR3 speed matches system requirements
- CL7 timing delivers low-latency data access
- 5 V operation keeps power draw efficient
- 204-pin SODIMM form factor fits the U400 slot
CMS 4GB DDR3 1333 SODIMM for Lenovo U400
This 4 GB DDR3 1333 MHz SODIMM module is built for the Lenovo Ideapad U400 14" HD Ultrabook. It uses a 204-pin unbuffered non-ECC design with CL7 7-7-7 timing at 1.5 V. The single-rank 1Rx8 configuration fits one of the two available memory sockets in the system.
Sustained load behaviour at CL7 1.5V
Running at DDR3 1333 (PC3 10600) with CL7 latency, the module maintains stable throughput during extended workloads without a heat spreader. The 1.5 V operation matches the ultrabook's standard voltage envelope, so thermal output stays consistent with the original memory specification during long sessions.
Upgrade path from 4GB to 8GB maximum
The U400 supports a maximum of 8 GB across two sockets, so adding this 4 GB stick doubles capacity when the second slot is empty or replaces a smaller module. The jump is worthwhile when the current 4 GB total limits multitasking or browser tab counts, but it cannot exceed the 8 GB ceiling or add a third socket.
商品特色
- 4 GB capacity adds responsive multitasking headroom
- 1333 MHz DDR3 speed matches system requirements
- CL7 timing delivers low-latency data access
- 5 V operation keeps power draw efficient
- 204-pin SODIMM form factor fits the U400 slot
商品規格
| Brand | Computer Memory Solutions |
|---|---|
| Model | CM5126410600SOSRH |
| Capacity | 4GB |
| Type | 204-Pin DDR3 SO-DIMM |
| Speed | DDR3 1333 (PC3 10600) |
| CAS Latency | CL7 |
| Timing | 7-7-7 |
| Voltage | 1.5V |
| ECC | No |
| Buffered/Registered | Unbuffered |
| Rank | 1Rx8 |
| Chipset | Major Brand Chipset |
| Heat Spreader | No |
| Compatible System | Lenovo Ideapad U400 14" Hd Ultrabook |
| Package Content | 1 Memory RAM Stick |
商品問答
How much power does this 1.5 V DDR3 module draw when the ultrabook runs all day?
It operates at the standard 1.5 V for DDR3 SO-DIMMs; the laptop’s own power management controls total draw.
Does my Lenovo IdeaPad U400 need any BIOS update or extra parts before I install this 204-pin stick?
The module is built for the U400 and fits the existing 204-pin slots; no additional hardware is required.
Can I keep the original 4 GB stick and add this 4 GB module to reach the 8 GB maximum?
Yes, the U400 has two sockets and supports up to 8 GB, so adding this 1Rx8 module alongside the original works.
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