Avem peste 6.000.000 de produse de la magazine si vanzatori profesionisti in Okazii.ro Marketplace
Cos cumparaturi
Favorite
Ai nevoie de ajutor ?
Catalog produse
Toate
 
 

Procesor 3 ghz de la Dell, bitsmag (41/0%)

(17125 oferte)
Seteaza alerta
Filtre selectate:
Sorteaza Procesor 3 Ghz dupa:
Vizualizeaza ca: Afisare Lista Afisare galerie
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 1024 GB DDR4 ECC L

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 1024 GB DDR4 ECC L

91.028,12 Lei 69.762,81 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC LR

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC LR

39.099,84 Lei 29.965,34 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC LR

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC LR

40.624,73 Lei 31.133,76 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 1024 GB DDR4 ECC L

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 1024 GB DDR4 ECC L

76.217,60 Lei 58.411,96 Lei
Livrare gratuita la 5 produse comandate

Cautari similare

-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 4096 GB DDR4 ECC L

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 4096 GB DDR4 ECC L

207.194,07 Lei 158.790,99 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 128 GB DDR4 ECC; 4

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 128 GB DDR4 ECC; 4

41.528,37 Lei 31.826,45 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 1024 GB DDR4 ECC L

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 1024 GB DDR4 ECC L

73.677,46 Lei 56.464,97 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R650XS, 8 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 512 GB DDR4 ECC; 4 x 3.84 TB SSD ENT

Server Dell PowerEdge R650XS, 8 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 512 GB DDR4 ECC; 4 x 3.84 TB SSD ENT

53.161,37 Lei 40.742,15 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC LR

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC LR

43.164,87 Lei 33.080,75 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC; 4

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC; 4

35.375,02 Lei 27.110,96 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC LR

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC LR

40.970,32 Lei 31.399,31 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC LR

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC LR

42.842,14 Lei 32.833,28 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R650XS, 8 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 2048 GB DDR4 ECC LRDIMM; 4 x 3.84 TB

Server Dell PowerEdge R650XS, 8 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 2048 GB DDR4 ECC LRDIMM; 4 x 3.84 TB

135.177,31 Lei 103.598,40 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; Fara Memorie Ram;

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; Fara Memorie Ram;

65.083,48 Lei 49.879,33 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC; 4

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC; 4

34.041,08 Lei 26.088,31 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R650XS, 8 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC; 2 x 3.84 TB SSD ENT

Server Dell PowerEdge R650XS, 8 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC; 2 x 3.84 TB SSD ENT

40.244,18 Lei 30.842,22 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 4096 GB DDR4 ECC L

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 4096 GB DDR4 ECC L

224.832,50 Lei 172.308,05 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC LR

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC LR

41.830,93 Lei 32.058,10 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; Fara Memorie Ram;

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; Fara Memorie Ram;

65.406,21 Lei 50.126,80 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 4096 GB DDR4 ECC L

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 4096 GB DDR4 ECC L

243.098,90 Lei 186.307,62 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R650XS, 8 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 512 GB DDR4 ECC; 2 x 3.84 TB SSD ENT

Server Dell PowerEdge R650XS, 8 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 512 GB DDR4 ECC; 2 x 3.84 TB SSD ENT

44.224,49 Lei 33.893,22 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 512 GB DDR4 ECC; 4

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 512 GB DDR4 ECC; 4

37.698,66 Lei 28.891,84 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 4096 GB DDR4 ECC L

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 4096 GB DDR4 ECC L

212.418,22 Lei 162.794,58 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 2048 GB DDR4 ECC L

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 2048 GB DDR4 ECC L

122.877,34 Lei 94.171,94 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R650XS, 8 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC LRDIMM; 2 x 3.84 TB

Server Dell PowerEdge R650XS, 8 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC LRDIMM; 2 x 3.84 TB

47.711,30 Lei 36.565,67 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R650XS, 8 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC LRDIMM; 4 x 3.84 TB

Server Dell PowerEdge R650XS, 8 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC LRDIMM; 4 x 3.84 TB

56.970,90 Lei 43.662,07 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 512 GB DDR4 ECC; 4

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 512 GB DDR4 ECC; 4

41.184,13 Lei 31.563,16 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 512 GB DDR4 ECC; 4

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 512 GB DDR4 ECC; 4

46.692,02 Lei 35.783,71 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC LR

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC LR

57.652,67 Lei 44.184,13 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 4096 GB DDR4 ECC L

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 4096 GB DDR4 ECC L

212.740,95 Lei 163.042,05 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 2048 GB DDR4 ECC L

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 2048 GB DDR4 ECC L

123.200,07 Lei 94.419,41 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC; 4

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 256 GB DDR4 ECC; 4

43.357,16 Lei 33.228,78 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 1024 GB DDR4 ECC L

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 1024 GB DDR4 ECC L

75.421,53 Lei 57.801,76 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 128 GB DDR4 ECC; 4

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 128 GB DDR4 ECC; 4

48.644,52 Lei 37.280,96 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 512 GB DDR4 ECC; 2

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 512 GB DDR4 ECC; 2

38.559,27 Lei 29.551,76 Lei
Livrare gratuita la 5 produse comandate
-23%
Cumpara ieftin Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 4096 GB DDR4 ECC L

Server Dell PowerEdge R750XS, 12 Bay 3.5 inch + 2 Bay 2.5 inch, 2 Procesoare, Intel 12 Core Xeon Silver 4310 2.1 GHz up to 3.3 GHz; 4096 GB DDR4 ECC L

207.862,38 Lei 159.302,88 Lei
Livrare gratuita la 5 produse comandate

Cautari similare


Linkuri utile

Istoricul tau de navigare

  • Huawei MediaPad M5 10.8 (CMR-W09, CMR-AL09) Inferioară modul difuzorului 22020292
  • Gossi cufar de depozitare, alb, 84x42x46 cm, lemn compozit
  • Aristolochia sempervirens - 5 seminte pentru semanat
  • Puzzle Trefl 2in1 Memo Patrula Catelusilor, 102 piese, Multicolor, 3+ ani
  • Sonda Lambda Toyota Corolla Liftback E10 Denso Dox0111
  • Senzor temperatura gaze dpf Chevrolet Captiva (2006->) [C100, C140] #1, Array
  • EMBOTHRIUM COCCINEUM - Arbustl chilean de foc- 5 seminte pentru semanat
  • Tastatura Lenovo T6Y1B-US iluminata layout US fara rama enter mic, Y700-15ISK iluminata layout US fara rama
  • Senzor Temperatura Gaze DPF Seat Exeo (2008->) 3R2, Cod OE Compatibil 045906088H, Aftermarket
  • Set protectie praf Amortizor SEAT TOLEDO II 1M2 Magnum Technology
Continut

Magazine.Okazii.ro

  • Acces la mii de cumparatori
  • Fara limita de produse puse in vanzare
  • Platesti doar daca vinzi
Deschide-ti magazin - Okazii.ro