Crucial Basics 8GB DDR4-2666 SODIMM — Affordable Reliable Laptop Memory Upgrade

The Crucial Basics 8GB DDR4-2666 SODIMM (CB8GS2666) is an affordable, reliability-first memory module manufactured by Crucial-by-Micron, engineered for the millions of laptops still running on DDR4 platforms. Operating at industry-standard 2666 MT/s with CL19 timings and 1.2V — fully JEDEC-compliant — this entry-level capacity module delivers the perfect upgrade for laptops shipped with single-channel 4GB or 8GB factory configurations. With Crucial's renowned 100% module testing and Micron's 45+ years of DRAM manufacturing expertise, this module hits the sweet spot of reliability and affordability for budget upgrades, productivity laptops, business notebooks, and older gaming laptops still using DDR4 SODIMMs.

🚀 Performance Specifications

• Capacity: 8GB single module
• Memory Type: DDR4 SDRAM
• Speed: 2666 MT/s (PC4-21300)
• Latency: CL19-19-19
• Voltage: 1.2V (DDR4 standard)
• Form Factor: 260-pin SODIMM (Notebook/Laptop)
• Configuration: Single-rank (1Rx8 typically)
• ECC: Non-ECC
• Buffering: Unbuffered
• Tier: Crucial Basics (value-tier line)
• Manufacturer: Crucial by Micron

⚡ Why Crucial Basics DDR4-2666 Is the Smart Budget Upgrade

• Industry-Standard Speed: 2666 MT/s is the most widely supported DDR4 speed on consumer laptops — guaranteed compatibility
• Reliable JEDEC Compliance: Pure JEDEC standard module — no XMP, no overclocking, just rock-solid reliability
• Direct From Micron: Manufactured by one of the world's three largest DRAM fabricators — same chips used in premium memory
• 100% Module Tested: Every Crucial Basics module is fully tested before shipping
• Plug & Play Simplicity: Insert, boot, done — no BIOS configuration required
• Backward Compatible: Auto-downclocks to 2400 MT/s or 2133 MT/s on older systems
• Low-Voltage 1.2V: Standard DDR4 voltage — no excessive heat or power consumption
• Universal DDR4 Compatibility: Works with virtually every DDR4-equipped laptop manufactured 2018-2023

🎨 Design — Standard Industry Profile

• Form Factor: Industry-standard 260-pin SODIMM — fits all DDR4-compatible laptops (note: DDR4 uses 260-pin, different from DDR5's 262-pin)
• PCB Color: Standard green PCB with Crucial branding label
• Height: Low-profile design fits ultrabooks, business laptops, and gaming laptops alike
• Bare PCB Design: No heat spreader (not needed at standard JEDEC operation)
• Professional Aesthetic: Clean, business-appropriate design

🛡️ Build Quality & Reliability

• Micron-Manufactured Chips: Direct from one of the top three DRAM fabricators in the world
• Rigorous Multi-Stage Testing: Each module is tested at the chip level and module level for long-term reliability
• JEDEC Compliant: Adheres strictly to the official JEDEC DDR4 specification for guaranteed compatibility
• Built for Reliability: Crucial Basics line designed specifically for long-term dependable operation in business and consumer laptops
• Backed by Micron's 45+ Years of Manufacturing Excellence: Industry-leading DRAM expertise from chip design through final module assembly

💻 Platform Compatibility

• Intel Laptops: 7th Gen (Kaby Lake) through 11th Gen (Tiger Lake) — H, U, and Y series
• AMD Laptops: Ryzen 2000 (Raven Ridge), Ryzen 3000 (Picasso), Ryzen 4000 (Renoir), Ryzen 5000 (Cezanne / Lucienne)
• Business Laptops: Compatible with Lenovo ThinkPad T-series, HP EliteBook, Dell Latitude, ASUS ZenBook (DDR4 generations)
• Productivity Laptops: Compatible with Acer Aspire, Lenovo IdeaPad, ASUS VivoBook, HP Pavilion (DDR4 generations)
• Gaming Laptops (DDR4 era): Compatible with ASUS TUF, Acer Nitro 5, Lenovo Legion 5/7 (Gen 1-6), HP Pavilion Gaming, Dell G3/G5/G7
• Form Factor Match: 260-pin SODIMM — does NOT fit DDR3 (204-pin) or DDR5 (262-pin) slots (different keying)
• Single-Module or Dual-Channel: Run as single 8GB module, or pair with another identical 8GB DDR4-2666 SODIMM for 16GB dual-channel performance

🎯 Best For

• Laptops shipped with 4GB single-channel memory upgrading to dual-channel 16GB (paired)
• Older laptops shipped with 8GB total upgrading to 16GB
• Business and productivity laptops where rock-solid reliability matters more than speed
• Budget-conscious users wanting Micron-manufactured quality at an affordable price
• System integrators and IT professionals deploying laptops at scale
• Users replacing failed memory in laptops manufactured 2018-2023
• Light gaming laptops needing more memory for modern titles requiring 16GB
• Multi-tasking with browsers, Office apps, video conferencing, and streaming
• General productivity workflows: Excel, Word, PowerPoint, Photoshop Express, light video editing
• Acer Aspire A315-58G, Lenovo IdeaPad, HP Pavilion, ASUS VivoBook compatibility-verified models

📋 Key Features

• 8GB single DDR4-2666 SODIMM module (CB8GS2666)
• 2666 MT/s PC4-21300 data rate with CL19-19-19 latency
• 1.2V standard DDR4 operation
• 260-pin standard laptop DDR4 SODIMM form factor
• Single-rank (1Rx8) configuration
• Non-ECC, unbuffered for consumer laptop compatibility
• JEDEC-compliant — Plug & Play with all DDR4-compatible laptops
• Auto-downclocks to 2400 / 2133 MT/s on older DDR4 platforms
• Standard green PCB with Crucial branding
• Crucial-by-Micron quality with direct chip-level manufacturing
• Compatible with Intel 7th-11th Gen and AMD Ryzen 2000-5000 series laptops
• Standard SODIMM height — fits ultrabooks, business laptops, gaming laptops, and small form factor systems
• Crucial Basics value-tier line — reliable JEDEC standard memory at affordable pricing
• 100% module tested before shipping
• SKU: LRAM-CRUC-8G-DDR4-2666-OB-0153