![Fred Langa | Q. If my PC hardware is 64-bit, why can it address only 4GB RAM? | ITPro Today: IT News, How-Tos, Trends, Case Studies, Career Tips, More Fred Langa | Q. If my PC hardware is 64-bit, why can it address only 4GB RAM? | ITPro Today: IT News, How-Tos, Trends, Case Studies, Career Tips, More](https://www.itprotoday.com/sites/itprotoday.com/files/styles/article_featured_retina/public/uploads/2016/11/ram-hero_0.jpg?itok=zKaVqBj1)
Fred Langa | Q. If my PC hardware is 64-bit, why can it address only 4GB RAM? | ITPro Today: IT News, How-Tos, Trends, Case Studies, Career Tips, More
![Lenovo ThinkCentre M90 Desktop PC, 3.1GHz Intel i5 Dual Core Gen 1, 4GB RAM, 500GB SATA HD, Windows 10 Home 64 bit, 22" Screen (Renewed) | McClatchy Lenovo ThinkCentre M90 Desktop PC, 3.1GHz Intel i5 Dual Core Gen 1, 4GB RAM, 500GB SATA HD, Windows 10 Home 64 bit, 22" Screen (Renewed) | McClatchy](https://cdnp3.stackassets.com/f9c183e6cec8838aaf1bb664c310012d65279c5a/store/87be1be9c6725418b6650b02b7b6ce00aa251fdceb3bafd565724304e2f1/pc-ibm-m90-d_lcd-km.jpg)
Lenovo ThinkCentre M90 Desktop PC, 3.1GHz Intel i5 Dual Core Gen 1, 4GB RAM, 500GB SATA HD, Windows 10 Home 64 bit, 22" Screen (Renewed) | McClatchy
![Amazon.com: Orange Pi 800 64G Keyboard Computer, 4GB RAM+64GB eMMC Rockchip RK3399 6-Core 64 Bit Dual-Band WiFi Bluetooth 5.0 All-in-one Mini PC, Portable Computer in Keyboard for Family/School/Office(Pi 800 64G) : Electronics Amazon.com: Orange Pi 800 64G Keyboard Computer, 4GB RAM+64GB eMMC Rockchip RK3399 6-Core 64 Bit Dual-Band WiFi Bluetooth 5.0 All-in-one Mini PC, Portable Computer in Keyboard for Family/School/Office(Pi 800 64G) : Electronics](https://m.media-amazon.com/images/I/61fvxxCtWdL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Orange Pi 800 64G Keyboard Computer, 4GB RAM+64GB eMMC Rockchip RK3399 6-Core 64 Bit Dual-Band WiFi Bluetooth 5.0 All-in-one Mini PC, Portable Computer in Keyboard for Family/School/Office(Pi 800 64G) : Electronics
![Amazon.com: Android TV Box 11.0, [2022 Newest] Antfraer Android TV Box 4GB RAM 32GB ROM with Mini Wireless Backlit Keyboard, RK3318 Quad-Core 64 Bits Dual-WiFi 2.4GHz/5GHz BT 4.2 USB 3.0 3D 4K Amazon.com: Android TV Box 11.0, [2022 Newest] Antfraer Android TV Box 4GB RAM 32GB ROM with Mini Wireless Backlit Keyboard, RK3318 Quad-Core 64 Bits Dual-WiFi 2.4GHz/5GHz BT 4.2 USB 3.0 3D 4K](https://m.media-amazon.com/images/I/810RHsRQLSL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Android TV Box 11.0, [2022 Newest] Antfraer Android TV Box 4GB RAM 32GB ROM with Mini Wireless Backlit Keyboard, RK3318 Quad-Core 64 Bits Dual-WiFi 2.4GHz/5GHz BT 4.2 USB 3.0 3D 4K
![New 10.1" Windows 10 Tablets With Detachable Keyboard 64-bit Tablet Pc 4gb Ram +64g Rom Hdmi-compatible Quad Core Type-c - Tablets - AliExpress New 10.1" Windows 10 Tablets With Detachable Keyboard 64-bit Tablet Pc 4gb Ram +64g Rom Hdmi-compatible Quad Core Type-c - Tablets - AliExpress](https://ae01.alicdn.com/kf/S5d8d6fa868d94d8aa6460e5cab13aa52Q/New-10-1-Windows-10-Tablets-With-Detachable-Keyboard-64-bit-Tablet-PC-4GB-RAM-64G.jpg)
New 10.1" Windows 10 Tablets With Detachable Keyboard 64-bit Tablet Pc 4gb Ram +64g Rom Hdmi-compatible Quad Core Type-c - Tablets - AliExpress
![For Orange Pi 800 Mini Computer Motherboard Keyboard Rockchip RK3399 6-Core 64 Bit 4GB RAM 64GB EMMC RAM Dual Band - Walmart.com For Orange Pi 800 Mini Computer Motherboard Keyboard Rockchip RK3399 6-Core 64 Bit 4GB RAM 64GB EMMC RAM Dual Band - Walmart.com](https://i5.walmartimages.com/asr/3f6fc318-8d12-44b8-8c11-4de4a981b6b0.833b0ae6ce553146635a8de3a1992d9c.jpeg)
For Orange Pi 800 Mini Computer Motherboard Keyboard Rockchip RK3399 6-Core 64 Bit 4GB RAM 64GB EMMC RAM Dual Band - Walmart.com
![Amazon.com : AOYODKG Android 10.0 Tablet 10 Inch, 4GB RAM + 64GB ROM + 128GB Expand, Quad-Core 1.8Ghz Processor, 13MP Dual Camera, OTG, 2 in 1 Tablet with 4G LTE & 2.4G Amazon.com : AOYODKG Android 10.0 Tablet 10 Inch, 4GB RAM + 64GB ROM + 128GB Expand, Quad-Core 1.8Ghz Processor, 13MP Dual Camera, OTG, 2 in 1 Tablet with 4G LTE & 2.4G](https://m.media-amazon.com/images/I/61WlZUz0SnL._AC_UF894,1000_QL80_.jpg)
Amazon.com : AOYODKG Android 10.0 Tablet 10 Inch, 4GB RAM + 64GB ROM + 128GB Expand, Quad-Core 1.8Ghz Processor, 13MP Dual Camera, OTG, 2 in 1 Tablet with 4G LTE & 2.4G
![Lenovo ThinkCentre M90 Desktop PC, 3.1GHz Intel i5 Dual Core Gen 1, 4GB RAM, 500GB SATA HD, Windows 10 Home 64 bit, 22" Screen (Renewed) | McClatchy Lenovo ThinkCentre M90 Desktop PC, 3.1GHz Intel i5 Dual Core Gen 1, 4GB RAM, 500GB SATA HD, Windows 10 Home 64 bit, 22" Screen (Renewed) | McClatchy](https://cdnp0.stackassets.com/8965eccfabddbfcc533bd8d22d63833d07da9ca4/store/61749c19a5bb09158d439e26b5f45b79ea9a6cb5a8f47a6417b4d8570d71/pc-ibm-m90-d_km.jpg)
Lenovo ThinkCentre M90 Desktop PC, 3.1GHz Intel i5 Dual Core Gen 1, 4GB RAM, 500GB SATA HD, Windows 10 Home 64 bit, 22" Screen (Renewed) | McClatchy
![Amazon.com: Orange Pi 800 Six-Core 64 Bit 4GB RAM Dual Band WiFi Bluetooth 5.0 All-in-One Keyboard Computer Kit with 64GB EMMC, Run Android, Manjaro, Ubuntu, Debian (Pi800+TypeC 5V4A Supply+Wireless Mouse+Camera) : Electronics Amazon.com: Orange Pi 800 Six-Core 64 Bit 4GB RAM Dual Band WiFi Bluetooth 5.0 All-in-One Keyboard Computer Kit with 64GB EMMC, Run Android, Manjaro, Ubuntu, Debian (Pi800+TypeC 5V4A Supply+Wireless Mouse+Camera) : Electronics](https://m.media-amazon.com/images/I/71CTbuRwbjL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Orange Pi 800 Six-Core 64 Bit 4GB RAM Dual Band WiFi Bluetooth 5.0 All-in-One Keyboard Computer Kit with 64GB EMMC, Run Android, Manjaro, Ubuntu, Debian (Pi800+TypeC 5V4A Supply+Wireless Mouse+Camera) : Electronics
![Dell Dell E6420 Laptop Intel i5 Dual Core Gen 2 4GB RAM 250GB SATA Windows 10 Professional 64 Bit - Walmart.com Dell Dell E6420 Laptop Intel i5 Dual Core Gen 2 4GB RAM 250GB SATA Windows 10 Professional 64 Bit - Walmart.com](https://i5.walmartimages.com/asr/ff03c6f3-8673-4757-b705-0c0daa7ef9dd_1.92e4e1ba381fb1291652e345518164a2.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)