Personal Computer: Apple MacBook Pro MC723LL/A 15.4-Inch Laptop (OLD VERSION) - Apple Computer

Wireless: RAVPower? Element 10400mAh External Battery USB Portable Charger (Dual USB Outputs, Ultra Compact Design), Travel Charger for iPhone 6,iPhone 6 plus,iPhone 5, 5S, 5C, 4S, 4, iPad Air, 4, 3, 2, Mini 2 (Apple adapters not included); Samsung Galaxy S5, S4, S3, S2, Note 3, Note 2; HTC One, EVO, Thunderbolt, Incredible, Droid DNA, Motorola ATRIX, Droid, Moto X, Google Glass, Nexus 4, Nexus 5, Nexus 7, Nexus 10, LG Optimus, PS Vita, GoPro, Smart Watch and More - Black - RAVPower

PC Accessory: Plugable USB 2.0 to 10/100/1000 Gigabit Ethernet LAN Wired Network Adapter for Windows, Mac, Chromebook, Linux, and Specific Android Tablets (ASIX AX88178 Chipset) - Plugable Technologies

PC Accessory: Cady Messenger Cube - SKY BLUE Ultra Durable Tactical Leather -ette Bag Case fits Apple MacBook Pro 13 Retina Display / Air 13 inch Laptop + 4 GB USB Memory Flash Drive - SumacLife

Wireless: Queens? Waterproof Dustproof Snowproof Shockproof Hard Armor Protective Cover Case For Apple Iphone 6 With screen protect and Touch pen (4.7 Inch)(1-Red) - Queens

Wireless: LB1 High Performance New Wireless Bluetooth Mini Speaker for Apple 15.4" MacBook Pro 16GB Memory 256GB Flash Storage Dual-Speaker Music System with Built-in Microphone and Micro SD card slot (Blue) - LB1 HIGH PERFORMANCE

Personal Computer: Apple A1261 17" MacBook Pro Laptop (2.6GHz Intel Core 2 Duo Processor, 4GB RAM, 500GB Hard Drive, OS X Lion 10.7.2) MB166LL/A - Apple Computer

Personal Computer: Apple MacBook Pro ME293LL/A 15.4-Inch Laptop with Retina Display (OLD VERSION) - Apple Computer

Musical Instruments: PreSonus AudioBox USB 2x2 USB Recording Interface - PreSonus

Wireless: LB1 High Performance New Portable Battery Power Pack Solar Generator 120W Backup Power Supply with AC, DC, USB Power Output for Apple MacBook Pro with Retina Display 15.4" Display 16GB Memory 512GB Flash Storage ME665LL/A - LB1 HIGH PERFORMANCE

Personal Computer: Apple MacBook A1342 13.3" Laptop (Intel Core 2 Duo 2.26Ghz, 250GB Hard Drive, 4096Mb RAM, DVDRW Drive, OS X 10.6.1) - Apple Computer

PC Accessory: Blue Silver Travel Smart Carrying Case with Optional Adjustable Shoulder Strap // Airport Check-Point-Friendly // For Apple Macbook Pro 13 inch 2011 Notebook - eBigValue

PC Accessory: Lencca Quadra Collection Backpack & Messenger Bag for Apple MacBook Pro 13.3 to 15.4" / Macbook Air 13.3" Laptops - Lencca

Wireless: Phonetatoos (TM) for Galaxy S5 Pink/Transparent Clear MyBumper Phone Protector Cover - Lifetime Warranty - PhonTatoos - USA Company

Wireless: LB1 High Performance New Wireless Bluetooth Mini Speaker for Apple 13.3" MacBook Pro Notebook 4 GB Memory 250 GB Hard Drive Silver MB991LL/A with Hands-Free Speaker Phone and Micro SD card slot (Black) - LB1 HIGH PERFORMANCE

Personal Computer: Apple MacBook Pro A1286 15.4" Laptop (Intel Core 2 Duo 2.4Ghz, 250GB Hard Drive, 4096Mb RAM, DVDRW Drive, OS X 10.5.5) - Apple Computer

Wireless: LB1 High Performance New Wireless Bluetooth Mini Speaker for Apple MacBook Pro 13.3-Inch Laptop Intel Core i5 2.5GHz, 1TB Hard Drive, 16GB DDR3 Memory, DVD Burner (NEWEST VERSION) Dual-Speaker Music System with Built-in Microphone and Micro SD card slot (Red) - LB1 HIGH PERFORMANCE

Personal Computer: Apple MacBook Pro MC373LL/A 15-inch Laptop (OLD VERSION) - Apple Computer

Personal Computer: Apple MacBook Air MD760LL/B 13.3-Inch Laptop (NEWEST VERSION) - Apple Computer

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Used Macbook Pro Laptop 4 Gb Popular Q&A

Q: How do you put in 4gb of memory in a macbook pro laptop?
A: take out the battary, take out the L- Bracket, take out old ram, but in new ram. done for something more indepth, read the instructions in your manual (they can... Read More »

Q: Is 4gb enough for a macbook pro?
A: Are you talking about 4gb RAM or 4gb HDD ? Well if its ram, then its perfect but if its hdd, then its not even a macbook , 4gb is nothing in hdd, you said "My i... Read More »

Q: GB vs 4GB Macbook pro?
A: It's up to you, RAM gets cheaper all the time and with macs RAM is a user serviceable part so you can change it yourself (it just plugs in and out) without inva... Read More »

Q: The MacBook Pro 4GB vs. 8GB.
A: Each MacBook Pro has two small dual in-line memory module slots based on third-generational Double Data Rate Synchronous Dynamic Random Access Memory architectu... Read More »

Q: MacBook Pro - 4gb ram upgrade, worth the money?
A: They are installed as matched pairs, so you will have two perfectly good one gig chips left over. Keep them, if you ever run into kernel panics, you may need th... Read More »