The all new modern ultra-slim design of the HP ProBook 640 delivers enterprise-grade performance, security, manageability, and flexible configuration options.
Updated ultra-slim design
- The precision-crafted ultra-slim chassis in a modern natural silver finish is designed to pass MIL-STD 810G testing and supports several HP docking options for gradual transitions to modern docking solutions.
High performance
- Help speed up demanding business applications with an optional 8th Gen quad-core Intel® Core™ processor and discrete graphics.
Built on a secure foundation
- Protect your PC against the evolving malware threats of the future, with self-healing, hardware-enforced, and manageable security solutions from HP. From the BIOS to the browser HP Sure Start Gen4 and HP Sure Click help secure your PC.
Graphics | On-board graphics card | Yes |
 | Discrete graphics card model | Not available |
| On-board graphics card model | Intel® UHD Graphics 620 |
| On-board graphics card family | Intel® UHD Graphics |
| On-board graphics card base frequency | 300 MHz |
| On-board graphics card dynamic frequency (max) | 1100 MHz |
| Maximum on-board graphics card memory | 32 GB |
| On-board graphics card DirectX version | 12.0 |
| On-board graphics card OpenGL version | 4.4 |
| On-board graphics card ID | 0x5917 |
Storage | Total storage capacity | 256 GB |
| Storage media | SSD |
| Total SSDs capacity | 256 GB |
| Number of SSDs installed | 1 |
| SSD capacity | 256 GB |
| SSD interface | SATA III |
| SSD form factor | M.2 |
| Card reader integrated | Yes |
| Compatible memory cards | MicroSD (TransFlash) |
Processor special features | Intel® My WiFi Technology (Intel® MWT) | Yes |
| Intel® Smart Response Technology | Yes |
| Intel® Identity Protection Technology (Intel® IPT) | Yes |
| Intel® Hyper Threading Technology (Intel® HT Technology) | Yes |
| Intel® Turbo Boost Technology | 2.0 |
| Enhanced Intel SpeedStep Technology | Yes |
| Intel® Clear Video HD Technology (Intel® CVT HD) | Yes |
| Intel Clear Video Technology | Yes |
| Intel® InTru™ 3D Technology | Yes |
| Intel® Quick Sync Video Technology | Yes |
| Intel Flex Memory Access | Yes |
| Intel® AES New Instructions (Intel® AES-NI) | Yes |
| Intel Trusted Execution Technology | Yes |
| Intel Enhanced Halt State | Yes |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Intel® Secure Key | Yes |
| Intel TSX-NI | Yes |
| Intel Stable Image Platform Program (SIPP) | Yes |
| Intel® OS Guard | Yes |
| Intel Software Guard Extensions (Intel SGX) | Yes |
| Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID) | Yes |
| Intel 64 | Yes |
| Execute Disable Bit | Yes |
| Idle States | Yes |
| Thermal Monitoring Technologies | Yes |
| Processor package size | 42 x 24 mm |
| Supported instruction sets | AVX 2.0, SSE4.1, SSE4.2 |
| Processor code | SR3L9 |
| CPU configuration (max) | 1 |
| Intel Virtualization Technology for Directed I/O (VT-d) | Yes |
| Intel Identity Protection Technology version | 1.00 |
| Intel Smart Response Technology version | 1.00 |
| Intel Stable Image Platform Program (SIPP) version | 1.00 |
| Intel Secure Key Technology version | 1.00 |
| Intel TSX-NI version | 1.00 |
| Intel Virtualization Technology (VT-x) | Yes |
| Processor ARK ID | 124969 |
| Conflict-Free processor | Yes |
Battery | Battery capacity | 48 Wh |
| Battery technology | Lithium-Ion (Li-Ion) |
| Number of battery cells | 3 |
| Battery life (max) | 13.7 h |
Design | Product type | Laptop |
| Product colour | Silver |
| Form factor | Clamshell |
| Market positioning | Business |
| Country of origin | China |
Sustainability | Sustainability certificates | ENERGY STAR |
Security | Cable lock slot | Yes |
| Fingerprint reader | Yes |
| Trusted Platform Module (TPM) | Yes |
Audio | Number of built-in speakers | 2 |
| Built-in microphone | Yes |
Camera | Front camera | Yes |
| Front camera signal format | 720p |
| Front camera HD type | HD |
Keyboard | Pointing device | Clickpad |
| Spill-resistant keyboard | Yes |
Memory | Internal memory | 8 GB |
| Maximum internal memory | 32 GB |
| Internal memory type | DDR4-SDRAM |
| Memory clock speed | 2400 MHz |
| Memory form factor | SO-DIMM |
| Memory layout (slots x size) | 1 x 8 GB |
| Memory slots | 2x SO-DIMM |
Weight & dimensions | Weight | 1730 g |
| Width | 340 mm |
| Depth | 240 mm |
| Height | 20.9 mm |
Power | AC adapter power | 45 W |
Software | Operating system installed | Windows 10 Pro |
| Operating system architecture | 64-bit |
Network | Wi-Fi | Yes |
| Wi-Fi standards | 802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n) |
| Ethernet LAN | Yes |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| Bluetooth | Yes |
| Bluetooth version | 4.2 |
Display | Display diagonal | 14 " |
| Display resolution | 1920 x 1080 pixels |
| HD type | Full HD |
| LED backlight | Yes |
| Native aspect ratio | 16:9 |
Processor | Processor family | Intel® Core™ i5 |
| Processor manufacturer | Intel |
| Processor model | i5-8350U |
| Processor frequency | 1.7 GHz |
| Processor generation | 8th gen Intel® Core™ i5 |
| Processor boost frequency | 3.6 GHz |
| Processor threads | 8 |
| System bus rate | 4 GT/s |
| Processor cores | 4 |
| Processor cache | 6 MB |
| Processor cache type | Smart Cache |
| Processor socket | BGA 1356 |
| Processor lithography | 14 nm |
| Processor operating modes | 64-bit |
| Processor codename | Kaby Lake R |
| Bus type | OPI |
| Stepping | Y0 |
| Thermal Design Power (TDP) | 15 W |
| Configurable TDP-up frequency | 1.9 GHz |
| Configurable TDP-up | 25 W |
| Configurable TDP-down | 10 W |
| Configurable TDP-down frequency | 0.8 GHz |
| Tjunction | 100 °C |
| Maximum number of PCI Express lanes | 12 |
| PCI Express slots version | 3.0 |
| PCI Express configurations | 1x2+2x1, 1x4, 2x2, 4x1 |
Ports & interfaces | USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 3 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 1 |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI version | 1.4 |
| VGA (D-Sub) ports quantity | 1 |
| Combo headphone/mic port | Yes |
| Docking connector | Yes |
| Charging port type | DC-in jack |